Carroll County is located in northwestern Illinois along the Mississippi River, bordering Iowa to the west. Established in 1839 and named for Charles Carroll of Carrollton, it developed as part of the state’s Upper Mississippi Valley region, with early settlement tied to river commerce and agricultural expansion. The county is small in population, with roughly 15,000 residents, and is characterized by predominantly rural communities and low-density development. Agriculture remains a central feature of the local economy and land use, alongside small-town services and light manufacturing. The landscape includes rolling uplands, stream valleys, and bluffs near the Mississippi, reflecting the county’s position between river terrain and interior prairie. Cultural life is shaped by long-standing local institutions, historic towns, and community events typical of rural northwestern Illinois. The county seat is Mount Carroll.

Carroll County Local Demographic Profile

Carroll County is located in northwestern Illinois along the Mississippi River, bordering Iowa. The county seat is Mount Carroll; for local government and planning resources, visit the Carroll County official website.

Population Size

According to the U.S. Census Bureau QuickFacts for Carroll County, Illinois, the county had:

  • Population (2020 Census): 15,702
  • Population (July 1, 2023 estimate): 15,390

Age & Gender

According to the U.S. Census Bureau QuickFacts (latest available county profile table):

  • Under age 18: 18.1%
  • Age 65 and over: 26.8%
  • Female persons: 49.4%
  • Male persons: 50.6% (calculated as the remainder of 100%)

Racial & Ethnic Composition

According to the U.S. Census Bureau QuickFacts (race categories reported for the resident population):

  • White alone: 92.6%
  • Black or African American alone: 0.6%
  • American Indian and Alaska Native alone: 0.4%
  • Asian alone: 0.5%
  • Native Hawaiian and Other Pacific Islander alone: 0.0%
  • Two or more races: 5.8%
  • Hispanic or Latino (of any race): 2.2%

Household & Housing Data

According to the U.S. Census Bureau QuickFacts (households and housing indicators):

  • Households: 6,700
  • Average household size: 2.27
  • Owner-occupied housing unit rate: 78.1%
  • Median value of owner-occupied housing units: $114,800
  • Median gross rent: $667
  • Housing units: 8,294

All figures above are from the U.S. Census Bureau’s county profile tables (QuickFacts), which compile the most recently available Census/ACS releases for each indicator.

Email Usage

Carroll County, Illinois is a largely rural county with low population density, which typically increases last‑mile buildout costs and can limit high‑capacity internet options, shaping how residents access email and other digital communication. Direct county‑level email usage statistics are generally not published; email adoption is commonly proxied using household internet and device access.

Digital access indicators from the U.S. Census Bureau data portal (ACS tables on internet subscriptions and computer ownership) provide county measures for broadband subscription and computer access, which correlate strongly with regular email use. Age structure is also influential: Carroll County’s population skews older in standard ACS age distributions, and older age groups tend to show lower adoption of some online services and higher reliance on assisted or mobile-only access. Gender distribution is available in ACS profiles and is usually near parity at the county level; it is not a primary driver compared with age and connectivity.

Connectivity constraints align with rural infrastructure limitations, reflected in provider availability and broadband type coverage summarized by the FCC National Broadband Map.

Mobile Phone Usage

Carroll County is in northwestern Illinois along the Mississippi River, with a largely rural settlement pattern and small population centers (county seat: Mount Carroll). Low population density, extensive agricultural land use, and river-bluff terrain along the Mississippi corridor can affect mobile network economics (fewer towers per square mile) and radio propagation (terrain shadowing in valleys/bluffs), shaping both network availability and household adoption of mobile services. Basic county geography and demographics are documented through the U.S. Census Bureau QuickFacts for Carroll County, Illinois.

Key distinction: availability vs. adoption

  • Network availability (supply-side): Whether 4G/5G mobile broadband is reported as available at a location or within an area, typically drawn from carrier-reported coverage and modeled service areas (e.g., FCC maps). Availability does not indicate that residents subscribe, that service performs consistently indoors, or that plans are affordable.
  • Household adoption (demand-side): Whether households actually subscribe to mobile service (smartphone ownership, mobile broadband subscriptions, cellular-only households). Adoption is more closely linked to income, age, digital skills, and prices; county-level adoption measures are often limited or not directly published for “mobile-only broadband” at the county scale.

Mobile penetration and access indicators (where available)

County-level mobile subscription/adoption statistics are not consistently published as a single “mobile penetration rate” for Carroll County in the same way they are for national/state totals. The most commonly used public indicators at local levels are:

  • Population and housing context (proxy indicators): Total population, household counts, age distribution, income, and poverty rates influence adoption and device purchasing capacity. These are available via data.census.gov and the county summary at Census QuickFacts.
  • Broadband adoption measures: County-level fixed broadband subscription/adoption is more readily available than mobile-only adoption. For local planning, county broadband profiles are often compiled using FCC and Census inputs through state programs and mapping hubs. Illinois’ statewide broadband planning resources are maintained by the Illinois Department of Commerce and Economic Opportunity (DCEO) and associated broadband initiatives and maps.
  • Digital access surveys and ACS limitations: The American Community Survey (ACS) provides “computer and internet use” measures, but publicly released tables typically emphasize whether a household has an internet subscription and the type (broadband such as cable/fiber/DSL, cellular data plan, satellite, etc.). County-level estimates can carry margins of error and may not isolate smartphone ownership cleanly for a single county without careful table selection and interpretation. Primary access point: ACS overview at Census.gov and tabulation through data.census.gov.

Limitation statement: Public, consistently comparable county-level statistics specifically labeled “mobile penetration” (subscriptions per 100 residents) are generally not published at the county level in federal datasets. Where available, carrier or third-party estimates are not always methodologically transparent and are not treated here as definitive.

Mobile internet usage patterns and network availability (4G and 5G)

Reported 4G LTE and 5G availability (network availability)

  • FCC coverage mapping: The most authoritative public source for reported mobile broadband availability in the U.S. is the FCC’s mobile coverage data presented through the FCC National Broadband Map. The map can be used to view carrier-reported 4G LTE and 5G availability by location, including distinctions across technologies and providers.
  • Rural coverage dynamics: In rural counties such as Carroll, reported coverage can vary materially between:
    • Outdoor vs. indoor performance (maps reflect modeled coverage rather than guaranteed in-building service),
    • Low-band vs. mid-band 5G deployments (coverage footprints differ),
    • Areas near river bluffs and valleys vs. open agricultural terrain (terrain affects signal propagation).
  • Verification and challenges: The FCC map supports availability challenges and corrections via its Fabric and availability challenge processes, which is relevant in rural regions where on-the-ground performance may differ from modeled coverage. Reference: FCC Broadband Map “About” documentation.

Actual use of mobile internet (adoption and behavior)

County-specific “mobile internet usage patterns” (share using mobile as primary internet, data consumption, typical speeds experienced) are not typically published as official statistics at the county level. The most defensible statements at county scale rely on:

  • Availability (from FCC mapping)
  • Household internet subscription types (from ACS tables)

Limitation statement: Without a locally representative survey or provider subscriber data released for Carroll County, the share of residents relying primarily on cellular data for home connectivity cannot be stated definitively.

Common device types (smartphones vs. other devices)

Public datasets usually report device ownership and internet access at broader geographies or via survey-based measures that may not be robust at a single-county level.

  • Smartphones vs. basic phones: Nationally, smartphones dominate mobile device ownership; however, county-specific smartphone ownership rates for Carroll County are not typically published as a standalone official statistic.
  • Household “computer” and internet access: The ACS “Computer and Internet Use” tables distinguish between device categories such as desktop/laptop, tablet, and smartphone, and whether households have an internet subscription, including cellular data plans. These tables can be accessed through data.census.gov (using ACS 1-year or 5-year products; many rural counties rely on 5-year estimates for stability). Reference background: Census Bureau computer and internet use topic page.
  • Institutional and enterprise devices: Farm operations, logistics, and field services common in rural counties often use connected tablets, hotspots, and telemetry devices, but there is no official county-level inventory of such devices in public federal datasets.

Demographic and geographic factors influencing mobile usage in Carroll County

Settlement pattern and population density

  • Rural settlement and greater distances between homes reduce tower density and can increase reliance on fewer macro sites, which affects coverage consistency and capacity. County density and housing distribution context is summarized in Census QuickFacts.

Terrain and land cover

  • Mississippi River bluffs and valley topography can create localized coverage variability (shadowing) compared with flatter agricultural areas where line-of-sight propagation is less obstructed. This factor influences availability and quality, not necessarily subscription rates.

Age structure, income, and education

  • Adoption and device mix are strongly associated with socioeconomic characteristics (income, poverty, educational attainment) and age (older populations tend to have lower rates of smartphone and mobile broadband adoption). These variables are available for Carroll County through data.census.gov and summarized at Census QuickFacts.
  • Limitation statement: While these relationships are well-established in survey research, quantifying their exact impact within Carroll County requires county-specific adoption and device ownership measures with acceptable margins of error.

Fixed-broadband availability and substitution

  • In rural counties, gaps in fixed broadband availability and affordability can increase reliance on mobile data plans for home connectivity. Fixed broadband availability and provider footprints are mapped alongside mobile availability in the FCC National Broadband Map. This is an availability indicator; it does not directly measure whether households subscribe.

Summary of what can be stated definitively with public data

  • Availability: Carrier-reported 4G LTE and 5G availability in Carroll County can be examined at the location level using the FCC National Broadband Map. This is the primary authoritative public source for network availability.
  • Adoption: County-level “mobile penetration” and smartphone ownership rates are not consistently published as definitive county statistics. Adoption must be inferred using ACS “computer and internet use” tables (with margins of error) accessed via data.census.gov.
  • Drivers: Rural geography (low density), terrain near the Mississippi River, and demographic composition (age, income) documented by the U.S. Census Bureau are key factors influencing both connectivity experience and adoption patterns, but precise county-specific mobile-usage shares require locally targeted measurement.

Social Media Trends

Carroll County is a rural county in northwestern Illinois along the Mississippi River, with communities such as Mount Carroll (the county seat), Savanna, and Lanark. Its older-than-average age profile, small population base, and reliance on sectors common to the region (agriculture, small manufacturing, services, and river/tourism activity near the Mississippi corridor) generally correspond to heavier use of mainstream, utility-oriented social platforms (notably Facebook) and comparatively lower uptake of newer, youth-skewing platforms than in large metropolitan counties.

User statistics (penetration / active use)

  • County-specific social media penetration is not published in standard public datasets (major sources such as the U.S. Census Bureau do not measure social media usage at the county level).
  • The most reliable benchmark is statewide/national survey research:
  • Local inference (directional, not a county estimate): rural counties with older age structures typically track below national averages for multi-platform adoption, with higher concentration on a single platform (Facebook) rather than broad platform portfolios.

Age group trends (who uses social media most)

Based on Pew Research Center patterns for U.S. adults (commonly used as the best available proxy where local measures are absent):

  • Highest overall usage: 18–29 and 30–49 adults (broadly the most consistently high across platforms).
  • Moderate usage: 50–64 adults (high on Facebook; lower on TikTok/Snapchat).
  • Lowest overall usage: 65+ adults, though this group still shows substantial adoption on Facebook and YouTube relative to other platforms.
  • County context: Carroll County’s comparatively older median age and rural settlement pattern tend to shift the overall user mix toward older cohorts, increasing the relative importance of Facebook and YouTube versus TikTok/Snapchat.

Gender breakdown

County-level gender splits for platform usage are not routinely published; the strongest benchmark is national survey evidence.

  • Women are more likely than men to use certain platforms (notably Pinterest and, historically, Facebook), while men are more represented on some discussion/news-oriented spaces (varies by platform and time). Pew provides platform-by-platform differences in its toplines: Pew Research Center social media tables.
  • In rural Midwestern counties, observed community-group participation and local events sharing often produce higher visible engagement among women on Facebook (community pages, school/sports updates, local fundraising), consistent with national patterns, but this remains an inference rather than a measured county statistic.

Most-used platforms (percentages where available)

Pew Research Center (U.S. adults, 2023) provides the most credible baseline percentages; these are not county-specific but are widely used for local planning where local measures are unavailable:

County-typical ordering (directional):

  • Most-used: Facebook and YouTube (broad reach across age groups; strong local information utility).
  • Moderate: Instagram (more concentrated among younger and midlife adults).
  • Lower overall: TikTok and Snapchat (more youth-skewed; smaller base in older/rural populations).
  • Niche/professional: LinkedIn (smaller share, concentrated among degree-holders and professional occupations).

Behavioral trends (engagement patterns / preferences)

  • Local information utility dominates: In rural counties, Facebook commonly functions as a local news/events layer (school announcements, community events, local business updates, weather impacts, road conditions), producing high engagement with community pages and groups rather than brand pages.
  • Engagement skews toward sharing and commenting on practical content: posts about community events, local services, and person-to-person recommendations typically generate more interaction than broad national content in small-area networks.
  • Video is a primary format via YouTube and Facebook: Pew’s platform reach indicates YouTube’s very high penetration nationally, aligning with observed consumption of how-to, entertainment, and local-interest video across age groups (Pew).
  • Age-driven platform bifurcation:
    • Older adults: concentrate on Facebook (and YouTube), with more frequent use of local groups and sharing community updates.
    • Younger adults: higher relative use of Instagram and TikTok, with heavier consumption of short-form video and creator-led content.
  • Messaging and coordination: Even where WhatsApp penetration is lower than some regions, direct messaging via platform messengers (Facebook Messenger/Instagram DMs) often supports event coordination and small community networks, consistent with broader U.S. usage patterns reported by Pew.

Primary data limitation: No standard, public, county-level dataset reports social media platform penetration, age splits, or gender splits specifically for Carroll County, Illinois; the percentages above are the most reputable U.S.-level benchmarks from Pew Research Center’s Internet & Technology research.

Family & Associates Records

Carroll County family-related vital records are maintained under Illinois vital records systems. Birth and death records are filed locally with the county clerk and at the state level. Marriage and civil union records are typically recorded by the Carroll County Clerk & Recorder and indexed as county public records. Adoption records are generally handled through the courts and the state, with records commonly sealed except where state procedures authorize access.

Public-facing databases for genealogical or family history research are limited at the county level; however, recorded-document search tools and contact information are provided by the county clerk/recorder office. Access is available in person during office hours and by request via mail or other published county procedures for certified copies and record searches. Official office information is available through the county site: Carroll County, Illinois (official county website) and the clerk/recorder listing: Carroll County Clerk & Recorder.

Statewide access rules and many certified-copy requests are governed by Illinois Department of Public Health (IDPH) Vital Records, including standard restrictions on who may obtain certified birth and death certificates: Illinois Department of Public Health – Vital Records.

Privacy restrictions commonly apply to birth records (generally not open to the public) and to adoption records (often sealed). Marriage records are more broadly public, though certified copies require identity and fee requirements set by the recording office.

Marriage & Divorce Records

Types of records available

  • Marriage records (licenses/returns/certificates): Marriage licenses are issued by the county, and completed licenses (returns) documenting that the ceremony occurred are recorded as the county’s official marriage record. Certified and non-certified copies may be available depending on the request and the record type.
  • Divorce records (court case file and judgment/decree): Divorces are documented as civil court cases. The case file typically includes pleadings and orders, and the final Judgment for Dissolution of Marriage (often called a divorce decree) reflects the court’s final ruling.
  • Annulments (Declaration of Invalidity of Marriage): Annulments are handled by the circuit court and recorded under the case type for invalidity of marriage. The final order/judgment declaring a marriage invalid is part of the court file.

Where records are filed and how they can be accessed

  • Marriage records

    • Filed/recorded with: The Carroll County Clerk (as the local registrar/recording authority for marriage licensing and recording in the county).
    • Access methods: Requests are typically handled by the County Clerk’s office through in-person, mail, or other county-established request procedures. Access to certified copies generally requires a formal records request and applicable fees.

  • Divorce and annulment records

    • Filed with: The Carroll County Circuit Court; court filings and final judgments are maintained by the Circuit Court Clerk as the official recordkeeper for the court.
    • Access methods: Copies of judgments and case documents are obtained through the Circuit Court Clerk. Some case information may be searchable through statewide court access systems, while certified copies are issued by the Clerk of the Circuit Court and generally require a request and fees.

Typical information included in these records

  • Marriage license/record

    • Full legal names of both parties
    • Date and place of marriage (ceremony date/location) as returned by the officiant
    • Date the license was issued; license number or recording identifiers
    • Officiant’s name/title and certification of solemnization
    • Parties’ ages/birth information and residence addresses as collected at application (the exact fields vary by form version and time period)

  • Divorce (Judgment for Dissolution of Marriage)

    • Names of the parties and case caption/docket number
    • Filing date and date of judgment
    • Type of disposition (dissolution; sometimes legal separation-related orders appear in the file)
    • Findings and orders addressing matters such as allocation of parental responsibilities/parenting time (where applicable), child support, maintenance, property division, and restoration of former name (as applicable)
    • Judge’s signature and court certification elements for certified copies

  • Annulment (Declaration of Invalidity of Marriage)

    • Names of the parties and case identifiers
    • Legal basis for invalidity as found by the court (as reflected in the judgment/order)
    • Date of judgment/order and any ancillary orders included in the case file

Privacy or legal restrictions

  • Vital records controls (marriage records): Illinois treats many vital records as controlled records for certified-copy issuance. Access to certified marriage records is commonly limited to eligible persons under state and local rules, while non-certified genealogical/historical copies may be handled differently depending on record age and office policy.
  • Court record access (divorce/annulment): Divorce and annulment files are generally court records, but access can be limited by:
    • Sealed or impounded cases/documents by court order
    • Confidential information rules (for example, protection of personal identifiers)
    • Statutory confidentiality for certain categories (such as some domestic violence-related materials, certain child-related records, or restricted reports), when applicable to a case
  • Certified copies and identification requirements: Both the County Clerk (marriage) and Circuit Court Clerk (divorce/annulment) typically require specific request procedures and fees for certified copies, and may require proof of identity or legal interest consistent with Illinois law and court rules.

Education, Employment and Housing

Carroll County is in northwestern Illinois along the Mississippi River, bordering Iowa, with its county seat in Mount Carroll. It is a predominantly rural county with small towns and extensive agricultural land. Population levels are low relative to metropolitan Illinois counties, with an older age profile and modest population change over recent decades typical of rural Upper Midwest communities. (Population counts and some socioeconomic indicators below reflect U.S. Census Bureau American Community Survey estimates, which are sample-based and can have wide margins of error in small counties.)

Education Indicators

Public schools and districts (counts and names)

Carroll County’s public K–12 education is primarily provided through local unit districts serving Mount Carroll, Savanna, and Eastland-area communities. A countywide, definitive “number of public schools” list varies by year due to building configurations and grade-center arrangements; the most reliable current roster is maintained through the Illinois State Board of Education and district report cards rather than county summaries. Core public-school entities commonly associated with Carroll County include:

  • West Carroll Community Unit School District 314 (Mount Carroll area)
  • Eastland Community Unit School District 308 (Eastland/Leaf River area; serves portions of Carroll County and nearby counties)
  • Savanna School District (Savanna area; elementary)
  • West Carroll–Savanna grade alignments may differ by year (middle/high school placement and shared programs can shift).

For the most current school-by-school names and enrollments, the authoritative sources are:

Student–teacher ratios and graduation rates

  • Student–teacher ratios: In rural Illinois districts, student–teacher ratios are commonly in the low-to-mid teens (roughly ~12:1–16:1). A single countywide ratio is not typically published; ratios are best taken from district report cards, which reflect staffing and enrollment for each district/building.
  • High school graduation rates: Illinois public-school 4‑year graduation rates are published by ISBE at the school and district level. Carroll County graduation outcomes are therefore district-specific rather than county-aggregated; the Illinois School Report Card is the standard source for the most recent cohort rate.

Adult educational attainment (county level)

Using the U.S. Census Bureau’s American Community Survey (ACS) as the standard county-level source, Carroll County typically shows:

  • A high share of adults with at least a high school diploma (common for rural Illinois counties, generally around the high‑80s to low‑90s percent range).
  • A smaller share with a bachelor’s degree or higher than the Illinois statewide average (often in the mid‑teens to around one‑fifth in similar rural counties).

The most recent county estimates can be pulled from:

Notable programs (STEM, vocational training, AP)

Program availability is largely district-driven and may be delivered through:

  • Career and technical education (CTE)/vocational pathways typical of rural Illinois (agriculture, skilled trades, business, family & consumer sciences, industrial tech), often supported via regional partnerships.
  • Dual credit and career pathways aligned with Illinois community college systems (specific partner colleges vary by district geography and agreements).
  • Advanced Placement (AP) and honors offerings that are more limited in smaller high schools but commonly include a subset of AP/honors courses and exam participation where staffing supports it.

The most current program inventory is usually documented on each district’s profile and in the Illinois School Report Card “Programs” and “Coursework” sections.

Safety measures and counseling resources

Illinois districts generally implement a mix of:

  • Building access controls (locked entrances, visitor sign-in), emergency operations plans, drills, and coordination with local law enforcement.
  • Student support services, which typically include school counselors, and may include social work and psychological services through cooperative or shared-service arrangements (more common in smaller districts). District-level reporting (including safety and support staffing categories) is most consistently captured in ISBE report-card staffing and environment measures.

Employment and Economic Conditions

Unemployment rate (most recent available)

County unemployment rates are published monthly and annually by federal-state labor market programs. The standard reference series is from the U.S. Bureau of Labor Statistics and Illinois labor market reporting:

Carroll County’s unemployment rate tends to track rural, non-metro Illinois patterns—moderate and sensitive to seasonal employment—rather than the lower volatility of large metro labor markets. The most recent annual average rate is best taken directly from LAUS/IDES tables for the latest completed year.

Major industries and employment sectors

Carroll County’s economy is characteristic of rural northwest Illinois, with employment concentrated in:

  • Health care and social assistance (clinics, long-term care, community services)
  • Manufacturing (small to mid-sized plants; mix varies by year)
  • Retail trade and accommodation/food services (local-serving and tourism-related activity near the Mississippi River corridor)
  • Education services (public schools)
  • Agriculture (a major land-use and production base; farm employment is often undercounted in standard payroll datasets due to proprietor and seasonal structures)
  • Public administration (county and municipal government)

For sector composition and payroll jobs, common sources include ACS industry tables and state labor market summaries.

Common occupations and workforce breakdown

Occupational distributions in the county typically reflect:

  • Production, transportation/material moving, and installation/maintenance/repair roles (linked to manufacturing and services)
  • Office/administrative support and sales (local retail and public/private offices)
  • Healthcare support and healthcare practitioners (regional care provision)
  • Education occupations (K–12)

The most comparable county-level occupation splits come from ACS occupation tables at:

Commuting patterns and mean commute time

  • Commuting mode: Rural counties typically have high driving-alone shares and limited fixed-route transit. Carpooling and work-from-home shares depend on occupation mix and broadband availability.
  • Commute time: Mean travel times in rural Illinois are often in the low‑to‑mid 20‑minute range, with a tail of longer commutes for residents working in larger regional job centers.

County commuting indicators are most consistently reported in ACS “Journey to Work” tables (mode, time, and place-of-work flows).

Local employment vs. out-of-county work

Carroll County generally functions as a net out-commuting area for some professional and specialized jobs, with residents traveling to larger employment centers in neighboring counties and across the Mississippi River into Iowa. The ACS “place of work” and “county-to-county commuting flows” products provide the most standardized measurement:

Housing and Real Estate

Homeownership and rental share

Homeownership in rural Illinois counties is typically high (often ~70%+ owner-occupied), with a smaller rental market concentrated in town centers and near employment nodes. The most recent county housing tenure shares are available in ACS housing tables via:

Median property values and recent trends

  • Median home value: Carroll County home values are generally well below the Illinois statewide median, reflecting rural land markets and a smaller share of high-cost new construction.
  • Trend: Like much of the Midwest, values rose notably during 2020–2022 and then moderated, with rural markets often showing slower turnover and greater variation by property condition and acreage.

The most defensible county median value is the ACS median value of owner-occupied housing units; private real estate portals provide more frequent updates but are not fully comparable across methodologies.

Typical rent prices

Rents in Carroll County are typically below statewide medians, with limited multifamily inventory. The ACS median gross rent is the standard county metric; local listings can vary widely due to small sample size and unit availability.

Types of housing stock

The housing stock is predominantly:

  • Single-family detached homes in Mount Carroll, Savanna, Lanark, and smaller towns
  • Older housing with a meaningful share built before mid-century, reflecting long-established communities
  • Rural homes on larger lots and farm-adjacent properties
  • A smaller number of apartments/duplexes, concentrated in town centers

Neighborhood characteristics and proximity to amenities

  • Town neighborhoods generally provide short driving distances to schools, municipal services, parks, and basic retail.
  • Rural residents often have longer distances to schools and healthcare, relying heavily on personal vehicles.
  • Mississippi River–adjacent areas and historic town cores can have tourism and recreation proximity advantages but may show more variability in housing condition and seasonal occupancy.

Property tax overview (rate and typical cost)

Illinois property taxes are administered locally and vary by taxing district (school, county, municipal, special districts). Rural counties commonly have:

  • Effective property tax rates often around ~1.5%–2.5% of market value (rates vary substantially by assessment practices and overlapping districts).
  • Typical annual tax bills in Carroll County tend to be lower in dollars than metro counties because assessed values are lower, even when effective rates are similar.

For authoritative local property tax rates, levies, and parcel-level bills, the county’s assessment and tax extension information is typically accessed through county offices and Illinois tax reporting frameworks; a statewide overview of Illinois property taxation is maintained through:

Data availability note: Countywide education performance (graduation rates, student–teacher ratios, program participation) is most reliable at the district/school level through ISBE rather than as a single county aggregate. Countywide employment, commuting, and housing indicators are most reliably sourced from BLS LAUS and ACS; small-sample counties can show year-to-year volatility in published estimates.

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Other Counties in Illinois