Douglas County

Douglas County is a rural county in south-central South Dakota, situated east of the Missouri River and south of the state’s central plains. Created in 1873 and organized in the early 1880s during the region’s homesteading era, it developed as part of the state’s agricultural settlement belt. The county is small in population, with only a few thousand residents, and has a low population density typical of the surrounding prairie counties. Its landscape is dominated by rolling plains, cropland, and pasture, with scattered wetlands and small towns. Agriculture—especially grain and oilseed farming, along with livestock production—forms the core of the local economy, supported by related services and small-scale manufacturing. Community life is shaped by tight-knit rural towns and school-centered civic institutions. The county seat is Armour, which serves as the primary administrative and commercial center for the county.

Douglas County is located in south-central South Dakota, bordering the Nebraska state line. The county seat is Armour, and the county lies within a largely rural agricultural region of the state.

Population Size

According to the U.S. Census Bureau QuickFacts for Douglas County, South Dakota, the county had:

• Population (2020): 2,835
• Population estimate (2023): 2,771

Age & Gender

County-level age and sex structure are published by the U.S. Census Bureau through QuickFacts. According to U.S. Census Bureau QuickFacts (Douglas County, SD):

• Persons under 18 years: reported in QuickFacts
• Persons 65 years and over: reported in QuickFacts
• Sex (percent female): reported in QuickFacts

(These indicators are presented by the Census Bureau as percentages; refer to the linked QuickFacts table for the current values.)

Racial & Ethnic Composition

Race and Hispanic/Latino ethnicity shares for Douglas County are reported by the U.S. Census Bureau. According to U.S. Census Bureau QuickFacts (Douglas County, SD), the county’s composition is shown across standard Census categories, including:

• White (alone)
• Black or African American (alone)
• American Indian and Alaska Native (alone)
• Asian (alone)
• Native Hawaiian and Other Pacific Islander (alone)
• Two or more races
• Hispanic or Latino (of any race)

(QuickFacts provides the current county percentages for each category in the linked table.)

Household & Housing Data

Household and housing indicators for Douglas County are reported by the U.S. Census Bureau. According to U.S. Census Bureau QuickFacts (Douglas County, SD), commonly used local planning metrics include:

• Number of households
• Average household size
• Owner-occupied housing unit rate
• Median value of owner-occupied housing units
• Median gross rent
• Building permits / housing unit counts (as available in QuickFacts)

Local Government Reference

For local government contacts and county-level public information, consult the Douglas County, South Dakota official website.

Douglas County, South Dakota is a sparsely populated, rural county where longer last‑mile distances and fewer providers can constrain fixed broadband buildout, shaping reliance on email and other online communication.

Direct, county-level email usage statistics are not published; email adoption is typically inferred from digital access and demographics. Proxy indicators from the U.S. Census Bureau (ACS)—including household broadband subscriptions and computer ownership—are commonly used to gauge the practical ability to access webmail and email apps. In rural counties, gaps in these indicators generally correspond to lower routine email use.

Age structure also influences email adoption because older residents are less likely to use digital communication at the same rates as working-age adults; county age distributions are available via ACS demographic tables. Gender distribution is usually not a primary driver of email use at the county scale, but county sex composition is also reported in ACS.

Connectivity limitations may include limited wired broadband coverage outside towns and greater dependence on mobile or satellite services; federal broadband availability data are published by the FCC National Broadband Map.

Douglas County is located in south-central South Dakota, with the county seat in Armour. It is predominantly rural with low population density and an agricultural land-use profile typical of the Great Plains. These characteristics commonly affect mobile connectivity through longer distances between towers, fewer backhaul routes, and coverage variability along highways versus dispersed farmsteads. County demographics and housing patterns can be referenced through the U.S. Census Bureau’s county profile on Census.gov (Douglas County, SD pages within the site).

Key distinction: network availability vs. adoption

Network availability refers to whether mobile carriers report service (coverage) in an area (by technology such as LTE/4G or 5G).
Adoption refers to whether residents and households actually subscribe to or use mobile service (voice and/or mobile broadband), and whether they rely on mobile as their primary internet connection.

County-level reporting often provides stronger visibility into availability than into adoption, because carrier coverage is mapped routinely, while subscription and device-type measures are more commonly published at state or multi-county levels.

Mobile penetration or access indicators (where available)

Household internet subscription (adoption proxy)

The most direct public “adoption” indicators typically come from U.S. Census Bureau survey products (notably the American Community Survey), which provide measures such as:

• Households with an internet subscription
• Households with a cellular data plan
• Households with a smartphone
• Households with no internet subscription

These metrics are available through Census Bureau tools that draw from ACS data. County-level figures can be retrieved using:

• data.census.gov (tables related to “Internet subscriptions,” “Computer and Internet Use,” and “Smartphone” for Douglas County, SD)
• American Community Survey (ACS) documentation for definitions and methodology

Limitation: The ACS is a survey with margins of error that can be large in sparsely populated counties; published estimates are still the standard public source for household adoption but should be interpreted with their uncertainty.

Mobile “access” in broadband planning sources

South Dakota broadband planning resources often summarize access at broader geographies and may include mobile and fixed broadband context. State-level context and methodology are available via:

• South Dakota broadband office (planning, mapping, and program materials)

Limitation: State broadband programs frequently focus on fixed broadband serviceability; mobile adoption measures are typically not the primary reporting unit at the county level.

Mobile internet usage patterns: 4G/5G availability vs. use

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

The primary federal source for reported mobile coverage is the FCC’s broadband mapping program:

• FCC National Broadband Map (mobile coverage layers by provider and technology)

This resource supports viewing reported mobile broadband availability and comparing:

• 4G LTE coverage footprints
• 5G coverage footprints (often separated into variants such as low-band and mid-band in carrier reporting and map layers)

Limitation: FCC mobile availability is based on provider submissions and modeled propagation; it measures where service is reported available, not where it is experienced at a given moment, indoors, or with congestion. It also does not measure whether households subscribe.

Actual usage patterns (adoption and reliance)

County-specific, technology-specific usage (for example, “share of residents actively using 5G” or “mobile data consumption per capita”) is generally not published in a comprehensive public dataset at the county level. Publicly accessible indicators closest to “usage patterns” in Douglas County usually rely on:

• ACS household subscription types (cellular data plan, smartphone presence) via data.census.gov
• Device and subscription counts reported by carriers are not typically disclosed at county granularity in public sources

As a result, Douglas County-specific statements about the proportion of traffic on 4G versus 5G cannot be made definitively from standard public datasets without using proprietary analytics.

Common device types (smartphones vs. other devices)

Household device indicators (adoption)

The ACS provides household-level indicators that help characterize device types, commonly including:

• Smartphone in household
• Desktop or laptop
• Tablet
• Other/none categories depending on table vintage

These data are accessible through data.census.gov under computer and internet use tables for Douglas County, SD.

Interpretation boundary: ACS device measures indicate whether households have a device type available, not the number of devices, the operating systems in use, or the share of individuals using each device daily.

Non-smartphone mobile use

Public county-level measurement of “feature phone” prevalence is limited. In practice, feature phones are not typically separated in ACS device questions; the ACS focuses on smartphones as a category and does not provide a standard county estimate for non-smartphone mobile phone ownership.

Demographic and geographic factors influencing mobile usage and connectivity

Rural settlement patterns and distance to infrastructure (availability and experience)

Douglas County’s rural settlement pattern and agricultural land use generally correspond to:

• Greater distance between cell sites, influencing outdoor coverage uniformity and indoor signal strength
• Coverage variability away from primary transport routes and towns
• Backhaul constraints in areas with fewer fiber routes (affecting capacity and peak performance)

These factors affect experienced service quality more than they affect the presence/absence of a reported coverage polygon.

Population density and housing characteristics (adoption)

Lower density areas often show different household internet adoption patterns than urban counties, including:

• Greater reliance on mobile-only or fixed wireless in places where fixed wired options are limited
• Higher sensitivity to service price and plan structure for households that use cellular data plans for home internet needs

Douglas County-specific adoption levels are best taken from ACS household subscription metrics via data.census.gov, with attention to margins of error.

Age, income, and educational attainment (adoption and device mix)

Across U.S. counties, ACS-based patterns commonly show:

• Higher smartphone and internet subscription rates associated with higher income and educational attainment
• Lower adoption among older age cohorts for some technologies (with substantial variation)

County demographic context (age distribution, income, education) is available through the county profile tables at data.census.gov and Census Bureau county pages on Census.gov. These sources support correlational description but do not provide causal attribution for mobile adoption.

Practical public-data sources for Douglas County, SD (availability vs. adoption)

• Network availability (4G/5G footprints by provider): FCC National Broadband Map
• Household adoption (cellular data plan, smartphone presence, internet subscriptions): data.census.gov (ACS tables for Douglas County, SD) and ACS documentation
• State planning context and mapping references: South Dakota broadband office
• Local context (community, geography, services): Douglas County, South Dakota official website (where available)

Data limitations specific to county-level mobile analysis

• Public, county-specific metrics for mobile penetration by individuals (as opposed to household proxies) and technology usage split (4G vs 5G traffic) are generally not available in standard government datasets.
• FCC coverage is availability reporting, not measured performance or adoption.
• ACS provides adoption and device presence but at a household level with sampling error that can be significant for small rural counties.

Douglas County is a sparsely populated, largely rural county in south‑central South Dakota, with key communities including Armour (county seat) and Corsica. The local economy is closely tied to agriculture and small‑town services, and day‑to‑day communication patterns often reflect rural broadband realities and reliance on mobile connectivity, factors that commonly shape platform choice and engagement intensity.

User statistics (penetration and active use)

• County-specific social media penetration: No routinely published, methodologically consistent dataset reports platform penetration specifically for Douglas County. Publicly available social media “active user” figures are typically reported at the national or state level, not at the county level.
• South Dakota connectivity context: County social media use is constrained/enabled by household internet access and mobile coverage. The most comparable public benchmarks are broadband availability and adoption datasets (rather than social platform panels). For broader context on internet and device adoption that correlates strongly with social media use, see Pew Research Center’s Social Media Fact Sheet and Pew Research Center’s Mobile Fact Sheet.
• National baseline for adults (context for counties): In the United States, social media use is widespread among adults, with usage varying significantly by age; national estimates are the most reliable reference for rural counties lacking direct measurement. Source: Pew Research Center.

Age group trends (who uses social media most)

Douglas County’s age-patterns are expected to mirror well-documented national gradients:

• Highest use: Adults 18–29 and 30–49 consistently report the highest rates of social media use across major surveys.
• Moderate use: Adults 50–64 show high but lower adoption than younger groups, with notable platform differences (Facebook remains comparatively strong in older cohorts).
• Lowest use: Adults 65+ are least likely to use social media, though adoption has grown over time. Source basis for these age gradients: Pew Research Center survey trend reporting by age.

Gender breakdown

• Overall: Large national surveys generally find modest differences by gender on overall social media use, with platform-specific variation more pronounced than “any social media” usage.
• Platform-specific tendencies (national pattern):
  • Pinterest and Instagram often index higher among women.
  • Reddit tends to index higher among men. These patterns are documented in the Pew Research Center platform-by-demographics tables.

Most-used platforms (with percentages where possible)

County-level platform shares are not published in standard public datasets; the most defensible percentages come from national survey sources:

• YouTube and Facebook are consistently among the most widely used platforms by U.S. adults.
• Instagram and TikTok are especially prevalent among younger adults, with TikTok showing particularly strong concentration among under‑30 users.
• WhatsApp and Snapchat show strong usage in specific demographics (WhatsApp higher among some racial/ethnic and immigrant communities; Snapchat skewing younger). For current U.S. adult platform usage percentages and demographic splits, reference Pew Research Center’s Social Media Fact Sheet.

Behavioral trends (engagement patterns and preferences)

• Mobile-first consumption: Rural areas frequently exhibit a heavier reliance on smartphones for online activity, which aligns with higher engagement on short-form video and feed-based platforms. Documentation of mobile reliance trends is summarized in Pew Research Center’s Mobile Fact Sheet.
• Community information utility: In rural counties, Facebook Groups/pages commonly function as high-utility channels for local announcements (schools, weather, events, classifieds), aligning with Facebook’s continued strength among older and middle-aged adults in national data.
• Video engagement: YouTube tends to be a cross‑age platform used for how‑to content, news clips, entertainment, and local/school sports sharing, consistent with its broad national penetration.
• Generational platform separation: Younger adults concentrate engagement on TikTok/Instagram/Snapchat, while older adults concentrate on Facebook; the result is more age-segmented local reach across platforms than in the early 2010s, as reflected in platform-by-age splits reported by Pew Research Center.

Douglas County, South Dakota, maintains limited family and associate-related public records at the county level. The Register of Deeds records instruments affecting family relationships and associations through property-related documents, including deeds, mortgages, releases, and recorded plats. These records can help identify spouses, heirs, and co-owners. Some counties also record military discharge papers (DD-214); availability is handled through the Register of Deeds office. Official county office information is listed on the Douglas County, SD website.

South Dakota vital records—including birth and death certificates—are maintained by the state rather than counties. State-level access and ordering information is provided by the South Dakota Department of Health (Vital Records). Adoption records are generally restricted and handled through state court and state vital records processes, with confidentiality protections.

Public databases vary by county and vendor; when available, recorded document indexes and images may be searchable online or through terminals in the Register of Deeds office during business hours. In-person access typically occurs at the county courthouse/administration offices; certified copies, where authorized, are issued by the maintaining agency.

Privacy restrictions commonly limit access to birth records and adoption files, while many land records are publicly inspectable, with redaction practices applied to certain sensitive identifiers.

Types of records available

Marriage records

• Marriage licenses: Issued by the Douglas County Register of Deeds. A license is the county authorization to marry.
• Marriage certificates/returns: After the ceremony, the officiant returns the completed license to the Register of Deeds, creating the county’s marriage record.
• State marriage record: South Dakota maintains a statewide marriage file through the South Dakota Department of Health, Vital Records.

Divorce records

• Divorce decrees/judgments: Final divorce orders are issued and maintained as part of the circuit court case file for the county where the divorce was filed. Douglas County is served by South Dakota’s Fifth Judicial Circuit (county-level circuit court records).
• State divorce record: South Dakota Vital Records maintains a statewide divorce record (often issued as a certification/verification of divorce rather than the full decree).

Annulment records

• Annulment decrees/orders: Annulments are handled by the circuit court and maintained in the court case file similarly to divorces. Vital Records may maintain a corresponding statewide record depending on reporting and record type.

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Where records are filed and how they can be accessed

Douglas County marriage records

• Filed with: Douglas County Register of Deeds (marriage licenses and completed marriage records).
• Access:
  • In-person requests are commonly supported through the Register of Deeds office.
  • Certified copies are typically issued by the Register of Deeds for county-held records.
  • State-level certified copies are available from South Dakota Vital Records.

Douglas County divorce and annulment court records

• Filed with: Clerk of Court for the circuit court serving Douglas County (divorce/annulment pleadings, findings, orders, and final decrees).
• Access:
  • Court files are commonly accessible through the Clerk of Court by records request and, where applicable, by viewing public case indexes.
  • Some documents may be restricted, sealed, or redacted under South Dakota court rules and state/federal privacy laws.
  • A divorce verification or similar record is typically available from South Dakota Vital Records, while the full decree is obtained from the court.

Statewide access points

• South Dakota Department of Health, Vital Records: Issues certified copies/verification for eligible vital events, including marriage and divorce records.
  Link: South Dakota Department of Health

• South Dakota Unified Judicial System (UJS): Maintains statewide court administration; court record access is coordinated through the courts and clerk offices.
  Link: South Dakota Unified Judicial System

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Typical information included in these records

Marriage licenses / marriage records

Common elements include:

• Full legal names of the parties (including prior names as reported)
• Date and county of license issuance
• Marriage date and place (as returned by officiant)
• Officiant name/title and certification
• Witness information where recorded
• Ages/birth information, residence, and other identifying details as required by the license form used at the time of filing
• File number or record identifier and county recording details

Divorce decrees / judgments

Common elements include:

• Court caption and case number
• Names of the parties and date of judgment
• Findings and orders on dissolution of marriage
• Orders related to child custody/parenting time, child support, spousal support, and property/debt division (when applicable)
• Restoration of former name (when ordered)
• Judge’s signature and entry date

Annulment decrees

Common elements include:

• Court caption and case number
• Parties’ names and date of order
• Legal basis for annulment and the court’s findings
• Orders addressing related issues (property, support, custody) where applicable
• Judge’s signature and entry date

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Privacy or legal restrictions

• Vital records access limitations: South Dakota restricts issuance of certified copies of vital records (including marriage and divorce records held by Vital Records) to eligible requesters under state law and administrative rules; proof of identity and relationship/authorization is commonly required.
• Public court records with protected content: Divorce and annulment case files are generally court records, but specific filings or information may be confidential, redacted, or sealed. Common protected categories include:
  • Social Security numbers, financial account numbers, and certain personal identifiers
  • Information involving minors and adoption-related material
  • Records sealed by court order and certain sensitive domestic relations materials as governed by South Dakota court rules and applicable law
• Certified vs. informational copies: Courts and record custodians typically distinguish between plain copies for record inspection and certified copies for legal purposes, with certification available through the custodian of the official record (Register of Deeds for county marriage records; Clerk of Court for decrees; Vital Records for state-held certifications/certified copies where authorized).

Douglas County is in south‑central South Dakota along the Missouri River, with its county seat and largest community in Armour. It is a sparsely populated, predominantly rural county with a small‑town service economy and an agricultural base; residents commonly travel to nearby regional job centers for work and services. Population size and many community indicators are reported with wide margins of error in sample surveys because of the county’s small population.

Education Indicators

Public schools (count and names)

Douglas County is served by a small number of public school sites operated through local school districts headquartered in or near the county. A consolidated, countywide list of current public school names is not consistently published in a single authoritative dataset for Douglas County alone; the most reliable way to verify active schools and grade spans is through the South Dakota Department of Education’s district/school directory (proxy source for the county’s public school inventory): South Dakota Department of Education.
Data note: Because districts and attendance boundaries can include areas outside county lines, district listings are a practical proxy rather than a perfect “within-county-only” inventory.

Student‑teacher ratios and graduation rates

• Student–teacher ratio (proxy): County-specific ratios are not reliably published as a standalone metric for Douglas County in a single, consistently updated public table. South Dakota’s statewide public school student–teacher ratio is commonly used as the closest proxy for very small districts (state-level ratios are available through NCES and state reporting).
• High school graduation rate: Graduation rates are typically reported at the district and state level. District graduation outcomes for the districts serving Douglas County are available through South Dakota’s education reporting portals and accountability reporting (see South Dakota Report Card).
  Data note: Small cohort sizes in rural districts can cause year‑to‑year volatility in graduation rates.

Adult education levels (attainment)

Adult educational attainment for Douglas County is best summarized using the U.S. Census Bureau’s American Community Survey (ACS) 5‑year estimates (table series DP02/S1501), accessible via data.census.gov. Key indicators are:

• High school diploma or higher (age 25+): ACS 5‑year estimate (county-specific).
• Bachelor’s degree or higher (age 25+): ACS 5‑year estimate (county-specific).
  Data note: For very small counties, ACS estimates can have substantial sampling error; percentages are still the standard public benchmark for county profiles.

Notable programs (STEM, vocational, AP)

Program availability is district-specific and typically reflects scale constraints in rural systems:

• Career and technical education (CTE)/vocational: Common offerings regionally include agriculture education, skilled trades introductions, and work‑based learning aligned with South Dakota CTE standards (district program pages and SD DOE CTE resources are the most consistent references: South Dakota CTE).
• Dual credit/college coursework: Rural high schools in South Dakota frequently rely on dual‑credit partnerships and distance learning to broaden course catalogs; availability varies by district.
• Advanced Placement (AP): AP access is less uniform in small rural districts; where present, course counts are typically limited and may be supplemented by online options. Verification is best through district course catalogs or the SD report card context pages.

School safety measures and counseling resources

South Dakota districts generally implement a mix of:

• Controlled building access, visitor sign‑in procedures, emergency drills, and coordination with local law enforcement.
• Student support staff patterns that may include shared counselors/social workers across buildings or districts due to enrollment size.
  State-level student support and safety frameworks are referenced through SD DOE guidance and district policy documents (see SD School Health and Student Support for statewide program context).
  Data note: Staffing ratios for counselors and mental health professionals are usually reported at district level rather than county level.

Employment and Economic Conditions

Unemployment rate (most recent year available)

County unemployment is most consistently tracked by the U.S. Bureau of Labor Statistics (BLS) Local Area Unemployment Statistics (LAUS). The most recent annual and monthly values for Douglas County are available via the BLS LAUS county series lookup: BLS LAUS.
Data note: Douglas County’s unemployment rate generally tracks rural South Dakota patterns, with low unemployment in expansions and higher sensitivity to seasonal/agricultural cycles; the authoritative “most recent year” figure is the latest annual average in LAUS.

Major industries and employment sectors

ACS and Census industry tables (DP03/S2403) indicate rural county employment is typically concentrated in:

• Agriculture, forestry, fishing and hunting (including farm operators and agricultural labor)
• Educational services and health care/social assistance (public schools, clinics, elder care)
• Retail trade and accommodation/food services (local service economy)
• Construction and transportation/warehousing (regionally linked projects and logistics) County-by-county industry distributions are available on data.census.gov (ACS 5‑year).

Common occupations and workforce breakdown

Occupational structure (ACS S2401) in rural South Dakota counties commonly shows higher shares in:

• Management/business and office support roles tied to local government, schools, and small businesses
• Production, transportation, and material moving (including trucking and light manufacturing where present)
• Farming, fishing, and forestry occupations (higher than state and national averages in many rural counties) Douglas County’s occupation shares are available via ACS 5‑year on data.census.gov.

Commuting patterns and mean commute times

ACS commuting metrics (DP03) provide:

• Primary commute mode: Predominantly drive alone in rural counties; carpooling occurs but at lower levels than driving alone, and public transit shares are typically near zero.
• Mean travel time to work: Reported directly for Douglas County in ACS 5‑year estimates on data.census.gov.
  Proxy note: Rural Great Plains counties commonly fall in the ~15–25 minute mean commute range, but the definitive county value should be taken from the latest ACS DP03.

Local employment vs. out‑of‑county work

ACS “county-to-county worker flow” is not published as a simple county dashboard indicator, but the pattern in small rural counties is commonly:

• A limited local job base (schools, county government, health/social services, retail, ag services)
• Meaningful out‑commuting to larger nearby employment centers for healthcare, manufacturing, or regional services
  County resident employment vs. workplace location can be analyzed using LEHD OnTheMap (workplace/residence flows).
  Data note: LEHD coverage can be constrained in very small counties and for certain employment categories.

Housing and Real Estate

Homeownership rate and rental share

Homeownership and tenure are best sourced from ACS DP04 (Housing Characteristics) on data.census.gov, which reports:

• Owner‑occupied share (homeownership rate)
• Renter‑occupied share
  Data note: Rural counties in South Dakota often have higher homeownership rates than national averages, but the definitive Douglas County percentage is the most recent ACS 5‑year DP04 estimate.

Median property values and recent trends

• Median owner‑occupied home value: Available in ACS DP04; small-county estimates can be volatile.
• Recent trends (proxy): Like much of South Dakota, rural home values generally rose during the 2020–2023 period, with slower transaction volume and higher sensitivity to interest rates than metro areas. County‑level assessed value trends are often best confirmed through county equalization/assessor reporting (local government sources) and ACS median value time series.
  For standardized county housing value metrics, use ACS DP04 on data.census.gov.

Typical rent prices

• Median gross rent: Available from ACS DP04.
  Proxy note: In rural South Dakota, rental markets are thinner (fewer units and fewer listings), so advertised rents can vary materially from medians; ACS remains the standard benchmark.

Types of housing

Douglas County’s housing stock is predominantly:

• Single‑family detached homes in Armour and small surrounding communities
• Farmhouses and rural residential properties on larger lots/acreages
• A smaller share of multi‑unit rentals (duplexes/small apartment buildings), typically concentrated in town
  The unit-type distribution is available in ACS DP04 (structure type).

Neighborhood characteristics (proximity to schools or amenities)

• In Armour and other small settlements, schools and core services (county offices, post office, convenience retail) are generally within short driving distances; walkability is limited by block size, winter conditions, and dispersed land use.
• Outside town centers, amenities and schools require driving; many residences are on county roads or state highways, reflecting an agricultural land-use pattern.
  Data note: Detailed neighborhood amenity mapping is not provided by ACS; this characterization reflects standard rural settlement structure along the Missouri River corridor and county-seat towns.

Property tax overview (average rate and typical homeowner cost)

South Dakota property tax burdens vary by classification and local levies.

• Effective property tax rate (proxy): South Dakota’s effective property tax rate is commonly cited around the high‑0.9% to ~1.3% range depending on source and year; county-specific effective rates are best calculated from local assessed values and tax collections rather than ACS.
• Typical homeowner property tax cost: ACS DP04 reports median real estate taxes paid for owner‑occupied housing units, which is the most comparable county benchmark.
  For official levy and assessment context, use the South Dakota Department of Revenue (property tax administration/assessment information) and Douglas County local assessment/equalization materials.