Gilpin County is a small, mountainous county in north-central Colorado, west of Boulder and north of Jefferson County, along the eastern flank of the Front Range. Created in 1861, it was one of Colorado’s earliest counties and developed rapidly during the Pike’s Peak Gold Rush, with Central City emerging as a major mining center. Today the county remains small in scale, with a population of roughly 6,000 residents, and is characterized by largely rural settlement patterns and extensive forested terrain. The landscape includes steep canyons, high-elevation valleys, and public lands that support outdoor recreation alongside residential communities. Gilpin County’s economy reflects its historical roots and regional ties, including government and local services, tourism and recreation, and gaming centered in the Central City–Black Hawk area. The county seat is Central City.
Gilpin County Local Demographic Profile
Gilpin County is a small, mountainous county in central Colorado, west of the Denver metropolitan area along the Front Range. The county seat is Central City, and the county includes historic mining communities and interstate access via I-70 corridors nearby.
Population Size
According to the U.S. Census Bureau QuickFacts for Gilpin County, Colorado, Gilpin County had:
- Population (2020 Census): 5,796
- Population estimate (2023): 6,137
Age & Gender
According to U.S. Census Bureau QuickFacts (latest available county profile tables):
- Persons under 18 years: 12.9%
- Persons 65 years and over: 27.2%
- Female persons: 46.0%
This corresponds to an approximate male share of 54.0% (QuickFacts reports female share directly).
Racial & Ethnic Composition
According to U.S. Census Bureau QuickFacts:
- White alone: 89.5%
- Black or African American alone: 0.7%
- American Indian and Alaska Native alone: 0.8%
- Asian alone: 1.1%
- Native Hawaiian and Other Pacific Islander alone: 0.1%
- Two or more races: 6.0%
- Hispanic or Latino (of any race): 9.4%
Household & Housing Data
According to U.S. Census Bureau QuickFacts:
- Households (2019–2023): 2,554
- Persons per household (2019–2023): 2.10
- Owner-occupied housing unit rate (2019–2023): 83.0%
- Median value of owner-occupied housing units (2019–2023): $544,400
- Median gross rent (2019–2023): $1,479
- Housing units (2023): 4,680
For local government and planning resources, visit the Gilpin County official website.
Email Usage
Gilpin County’s mountainous terrain and dispersed housing in the Colorado Front Range constrain last‑mile networks, making digital communication (including email) more dependent on available broadband and device access than in urban counties. Direct, county-level email usage statistics are generally not published; trends are inferred from broadband subscription, computer access, and demographics.
Digital access indicators from the U.S. Census Bureau (ACS) show the county’s share of households with a broadband internet subscription and a computer as the most relevant proxies for routine email access. Lower subscription or device ownership typically corresponds to lower day-to-day email adoption.
Age distribution from ACS is relevant because older populations tend to have lower rates of online account use and may rely more on phone or in‑person communication, while working‑age residents generally show higher reliance on email for employment and services. Gender distribution in ACS is not typically a primary driver of email adoption compared with age and connectivity constraints.
Connectivity limitations are shaped by topography, wildfire risk, and the economics of serving low-density areas; local planning and service updates are reflected in Gilpin County government resources and statewide broadband planning materials such as the Colorado Broadband Office.
Mobile Phone Usage
Gilpin County is a small, mountainous county in central Colorado, west of the Denver metro area along the Front Range. The county’s steep terrain, forested slopes, and narrow valleys can create significant radio-frequency (RF) shadowing, which affects where mobile signals propagate. Population is concentrated in and around Central City and Black Hawk, with low population density outside those towns; this settlement pattern tends to yield strong coverage in town centers and along primary corridors, with more variable service in dispersed residential areas and higher-elevation terrain.
Network availability (coverage) vs. adoption (use)
Network availability describes where carriers report service and where signal is technically present. Adoption describes whether households and individuals actually subscribe to mobile service and use mobile broadband as their internet connection. These measures often diverge in rural/mountain counties due to terrain constraints, pricing, and the presence or absence of reliable fixed broadband alternatives.
Mobile penetration or access indicators (adoption)
County-specific “mobile penetration” (e.g., subscriptions per 100 residents) is not consistently published at the county level in a single authoritative dataset. The most defensible county-level adoption indicators available from federal sources are based on household survey estimates of:
- Whether households have cellular data plans
- Whether households have smartphones
- Whether households rely on cellular data as their internet service (mobile-only or mobile-dependent use)
The primary federal source for modeled small-area (including county) estimates is the U.S. Census Bureau’s Small Area Income and Poverty Estimates / Small Area Health Insurance Estimates program’s companion datasets and the American Community Survey (ACS) 5-year products, which include county-level tables related to computing devices and internet subscriptions. These data distinguish between fixed subscriptions (cable/fiber/DSL) and cellular data plans as an internet subscription type. Relevant entry points include the U.S. Census Bureau’s general data portal and ACS materials on internet subscriptions and devices: Census.gov data tables and American Community Survey (ACS).
Limitations: ACS and related modeled datasets are survey-based and subject to margins of error, which can be large for small-population counties such as Gilpin. They measure household adoption, not signal availability, and they do not directly measure “mobile penetration” in carrier-subscription terms.
Mobile internet usage patterns (4G/5G availability)
Reported coverage and mobile broadband availability
The most widely used public dataset for U.S. mobile broadband coverage is the FCC’s Broadband Data Collection (BDC), which provides provider-reported availability by location and summarized geographies. The FCC’s tools can be used to view mobile broadband availability layers and provider-reported coverage in and around Gilpin County: FCC National Broadband Map.
Key points about interpreting FCC mobile coverage data in Gilpin County:
- 4G LTE is generally the baseline technology reported across most populated areas and primary travel corridors, with variability in mountainous terrain and less-traveled roads.
- 5G availability in mountain counties can be present in towns and along some corridors, but coverage footprints can be discontinuous due to terrain and tower siting constraints. The FCC map reflects provider-reported 5G coverage by technology category and should be used to distinguish where 5G is reported versus where only LTE is reported.
Limitations: FCC BDC mobile availability is based on provider submissions; while it is the authoritative federal map, it may not fully reflect local terrain-driven dead zones or building penetration issues. It indicates where service is advertised as available, not measured performance at every point.
Performance and user experience
Public performance metrics are typically available at broader geographies (state or national) or via crowdsourced speed-test platforms. These sources can contextualize likely user experience but do not provide definitive, comprehensive county-wide measurement. For statewide context and mapping resources, Colorado’s broadband office provides planning information and links to mapping efforts: Colorado Broadband Office.
Common device types (smartphones vs. other devices)
County-level statistics explicitly separating smartphones from other mobile devices are most consistently available through survey-based measures of household device ownership and internet subscription types rather than direct device-sales data.
Commonly documented categories in Census/ACS-related measures include:
- Smartphone ownership (household level): indicates the presence of a smartphone in the household, not the number of devices or lines.
- Cellular data plan subscription (household level): indicates that the household’s internet subscription includes a cellular data plan, which can be used on smartphones and/or dedicated hotspots.
- Other computing devices: desktop/laptop/tablet ownership, which is relevant because in areas with limited fixed broadband, tablets or laptops may be tethered to phones or hotspots.
These indicators are accessible via Census.gov tables (ACS 5-year), which allow filtering to Gilpin County for “Computer and Internet Use” topics.
Limitations: Public federal datasets do not enumerate the mix of handset models, operating systems, or the share of feature phones versus smartphones at the county level with high precision. They also do not directly identify the prevalence of dedicated mobile hotspots versus phone tethering.
Demographic and geographic factors influencing mobile usage
Terrain, land cover, and infrastructure siting
- Mountain topography can sharply limit line-of-sight and reduce consistent coverage away from towers, especially in canyons and behind ridgelines. This affects both LTE and 5G, and can lead to localized pockets of weak or absent signal.
- Lower population density outside town centers reduces incentives for dense tower placement and small-cell deployments, influencing both availability and quality, particularly for higher-frequency 5G layers that typically require denser infrastructure.
- Transportation corridors and town centers tend to have the most consistent coverage because they concentrate demand and provide more feasible backhaul and siting options.
Settlement pattern and tourism/gaming hubs
- Central City and Black Hawk concentrate employment and visitors relative to the rest of the county. Areas with higher foot traffic and commercial activity are more likely to receive upgraded network equipment and additional capacity than dispersed residential zones.
Household adoption drivers
- Where fixed broadband options are limited or expensive, households more often report reliance on cellular data plans for home internet access (mobile-dependent usage). This pattern is measurable via ACS internet subscription categories, which can be queried for the county in Census.gov.
- Income, age distribution, and housing type can influence smartphone ownership and the likelihood of maintaining a cellular data plan, but definitive county-level breakdowns require using ACS cross-tabulations and are subject to large uncertainty in small counties.
Practical distinction: availability vs. household adoption in Gilpin County
- Availability: Best represented by provider-reported mobile broadband coverage in the FCC National Broadband Map, which shows where LTE and 5G are reported as available across the county.
- Adoption: Best represented by household survey estimates (ACS 5-year) for smartphone ownership and cellular data plan subscriptions, accessible via Census.gov data tables. These figures represent household access and subscription behavior, not guaranteed service quality at specific locations.
Data limitations and recommended authoritative sources
- County-level mobile penetration expressed as subscriptions per capita is not consistently published in a single public dataset for Gilpin County.
- For coverage/availability, the authoritative U.S. source is the FCC National Broadband Map.
- For household device ownership and internet subscription types, the authoritative source is the U.S. Census Bureau (ACS via Census.gov).
- For state planning context and mapping resources, reference the Colorado Broadband Office.
- For local context on geography and communities, reference the Gilpin County government website.
Social Media Trends
Gilpin County is a small, mountainous county in central Colorado, west of the Denver metro area, with key communities including Central City and Black Hawk. The local economy has a notable gaming/tourism component alongside outdoor recreation, and the county’s rural geography and commuting ties to the Front Range can influence social media use toward mobile-first access and community/event information sharing.
User statistics (penetration / active use)
- County-specific social media penetration rates are not published in standard public datasets at the county level; most reliable measures are available at the U.S. level and are commonly used as benchmarks for small counties.
- National benchmarks indicate roughly 7 in 10 U.S. adults use social media. This figure comes from the Pew Research Center’s Social Media Fact Sheet (updated periodically).
- Connectivity context relevant to rural counties: broadband availability and mobile reliance can shape use patterns. For broadband and internet access context, see the U.S. Census Bureau computer and internet use program materials (county-level internet measures are typically derived from ACS tables rather than platform usage).
Age group trends
Based on U.S. adult patterns reported by Pew (often used as the best available proxy in places without county-specific surveys):
- 18–29: highest adoption across most platforms; social media use is near-universal in many surveys.
- 30–49: high adoption, typically slightly below the youngest adult group.
- 50–64: moderate-to-high adoption; platform mix skews toward Facebook and YouTube.
- 65+: lowest adoption; usage concentrates more heavily on Facebook and YouTube than on newer, video-first or ephemeral platforms.
Source: Pew Research Center social media usage by age.
Gender breakdown
County-specific gender splits by platform are generally unavailable. National survey patterns provide directional context:
- Women tend to report higher usage than men on Facebook, Instagram, Pinterest, and are often more active in community/relationship-oriented posting and group participation.
- Men tend to report relatively higher usage than women on X (formerly Twitter), Reddit, and some discussion/news-forward platforms.
Source: Pew Research Center demographic breakdowns by platform.
Most-used platforms (percentages where available)
National adult usage levels (benchmarks; not county-specific) commonly cited by Pew include:
- YouTube: used by a large majority of U.S. adults (highest reach among major platforms)
- Facebook: used by a majority of U.S. adults; remains a leading platform for broad-age reach
- Instagram: used by a substantial minority; strongest among younger adults
- Pinterest, TikTok, LinkedIn, X, Reddit, Snapchat, WhatsApp: each used by smaller segments, with usage strongly shaped by age and (for LinkedIn) education/occupation
Source: Pew’s platform-by-platform usage estimates.
Behavioral trends (engagement patterns and preferences)
- Community information and local events: In smaller counties, Facebook (especially local pages and Groups) typically functions as a key hub for event announcements, public safety updates, and community discussion, consistent with Facebook’s broad reach among older and middle-age adults in Pew’s findings.
- Video-centric consumption: High national reach for YouTube aligns with “how-to,” news clips, entertainment, and local-interest video consumption; rural areas often show strong utility use (repairs, weather, travel, outdoor skills).
- News and public affairs: Platforms such as Facebook and YouTube are common pathways for news discovery nationally, while X/Reddit skew toward more news-intensive users; see the Pew Research Center social media and news fact sheet.
- Age-driven platform concentration: Younger adults concentrate more time on Instagram/TikTok-style feeds; older adults concentrate more on Facebook/YouTube, producing a more pronounced “platform split” in communities with older median ages (a common profile in many mountain/rural counties).
- Engagement style: Broad-reach platforms (Facebook/YouTube) tend to show higher passive consumption (scrolling/watching) relative to posting frequency, while community Groups and local pages often concentrate the most visible two-way engagement (comments, shares, Q&A) at the local level.
Family & Associates Records
Gilpin County family and associate-related records are maintained primarily through Colorado state systems and county offices. Birth and death certificates are Colorado vital records; certified copies are issued by the Colorado Department of Public Health and Environment (CDPHE) and, where available, local vital records offices. Access details and ordering are provided through the state portal: Colorado Vital Records (CDPHE). Marriage and civil union records are created by the county clerk and recorded with the county; recording and document services are handled by the Gilpin County Clerk & Recorder. Divorce and other domestic-relations court records are filed in the state trial court for the county and may be searchable through the Colorado Judicial Branch: Colorado Judicial Branch. Adoption records are generally closed and maintained by the courts and state agencies rather than released as public records.
Public databases for recorded documents are typically offered via the Clerk & Recorder’s records search/recording services page, and statewide court information is provided through the Judicial Branch website.
Records are accessed online through the linked official portals, or in person at the relevant office (Clerk & Recorder for recorded documents; courts for case files; CDPHE/local vital records for certificates).
Privacy restrictions commonly apply to vital records, adoption files, and certain court case types; certified vital records are usually limited to eligible requestors under state rules.
Marriage & Divorce Records
Types of records available
- Marriage licenses and certificates
- Records documenting authorization to marry (license) and the completed return/certificate filed after the ceremony.
- Divorce (dissolution of marriage) decrees
- Court orders finalizing dissolution, often accompanied by related case orders (e.g., separation agreements, parenting orders).
- Annulments (declarations of invalidity of marriage)
- Court orders declaring a marriage invalid under Colorado law, maintained as civil case records.
Where records are filed and how they can be accessed
- Marriage records (Gilpin County Clerk and Recorder)
- Marriage licenses are issued and recorded by the Gilpin County Clerk and Recorder (Recording division for the recorded instrument; Clerk functions for issuance).
- Access is commonly available through:
- In-person requests at the Clerk and Recorder’s office.
- Recorded document search systems used by the Recording office (availability and search scope vary by county implementation).
- Divorce and annulment records (Gilpin County District Court)
- Divorce and annulment actions are filed and maintained by the Gilpin County District Court (Colorado Judicial Branch).
- Access is commonly available through:
- In-person court records requests at the clerk of court for Gilpin County.
- Colorado Judicial Branch records access mechanisms for case information and, where authorized, documents. Public online case access in Colorado is generally limited in detail; full document access is often handled through the court clerk and governed by statewide court rules.
- State-level context:
- Colorado courts are part of the 20th Judicial District for some counties, but Gilpin County is in the 2nd Judicial District (separate from Boulder County). Court filings follow Colorado Judicial Branch procedures regardless of district.
Typical information included in these records
- Marriage license/record
- Full legal names of the parties
- Date and place of marriage license issuance
- Intended location of ceremony and date of marriage (as returned)
- Officiant name/title and certification/attestation
- Signatures (as applicable) and recording information (book/page or instrument number)
- Ages and places of birth may appear on the application/license, depending on the form version and statutory requirements at the time of issuance
- Divorce (dissolution) decree and case file
- Case caption (party names) and case number
- Filing date and date of decree
- Findings and orders dissolving the marriage
- Allocation of parental responsibilities and parenting time (when applicable)
- Child support and maintenance (spousal support) orders (when applicable)
- Division of property and debts (often via incorporated separation agreement)
- Name change orders (when granted)
- Annulment (declaration of invalidity) order and case file
- Case caption and case number
- Legal basis for invalidity and court findings
- Orders regarding children, support, and property (as applicable under Colorado law)
Privacy or legal restrictions
- Marriage records
- Marriage records are generally treated as public records in Colorado at the county level, though access to some personal identifiers may be restricted or redacted under state and local records policies.
- Divorce and annulment court records
- Colorado court records are generally public unless restricted by law, court rule, or court order.
- Certain information is commonly restricted or redacted, including:
- Confidential personal identifiers (e.g., Social Security numbers, full financial account numbers).
- Records involving children, victim information, or sensitive matters, which may be protected by statute or sealed by court order.
- Some case documents may be designated suppressed, restricted, or sealed, limiting public inspection even when a case docket exists.
- Certified copies and identity requirements
- Government offices typically distinguish between informational copies and certified copies. Certified copies generally require compliance with agency procedures and fees and may require requester identification depending on record type and applicable restrictions.
Education, Employment and Housing
Gilpin County is a small, mountainous county west of the Denver metro area along the Peak-to-Peak corridor, with communities centered on Black Hawk and Central City and extensive forested and rural residential areas. The county’s economy is shaped by gaming and tourism in the historic mining towns, a limited local labor market relative to the Denver–Boulder region, and a housing stock dominated by single-family homes on larger lots.
Education Indicators
Public schools (count and names)
- Gilpin County is primarily served by Gilpin County School District RE-1, which operates a combined campus commonly referred to as Gilpin County Schools (with grade-level schools organized as elementary/middle/high within the district). Public school listings and district details are reflected in the Colorado Department of Education’s district profile for Gilpin County RE-1 (Colorado Department of Education district profile).
- Note: In small districts, schools may appear in state/federal reporting as separate administrative units by level (elementary, middle, high) even when co-located. Where specific school-by-school rosters are not consistently published in a single county summary, the district profile is the most reliable reference point.
Student–teacher ratios and graduation rates
- Small rural districts typically report lower student–teacher ratios than statewide averages due to small enrollment; the most consistent, up-to-date ratio figures and staffing counts are reported through state district staffing/enrollment reporting (see the CDE district profile above).
- High school graduation rates are published annually by the state in its graduation and completion reports; district-level graduation outcomes for Gilpin County School District RE‑1 are available through Colorado’s graduation data (CDE graduation and completion rates).
- Proxy note: Countywide graduation rates are often represented by the district rate because a single district serves most resident students.
Adult educational attainment
- The most recent standardized county estimates are from the U.S. Census Bureau American Community Survey (ACS) 5‑year tables for educational attainment (U.S. Census Bureau data portal). For Gilpin County, common summary indicators include:
- High school diploma or higher (age 25+)
- Bachelor’s degree or higher (age 25+)
- Availability note: Specific percentages vary by ACS vintage; the ACS 5‑year dataset is the most stable source for small counties.
- The most recent standardized county estimates are from the U.S. Census Bureau American Community Survey (ACS) 5‑year tables for educational attainment (U.S. Census Bureau data portal). For Gilpin County, common summary indicators include:
Notable programs (STEM, vocational, Advanced Placement)
- Program offerings in small districts generally emphasize core academics with selective access to Advanced Placement (AP) and/or concurrent enrollment/dual credit through regional higher education partnerships where available. Program availability is best documented through the district’s published course catalogs and state program participation reporting; statewide AP participation context is available through CDE accountability and program reporting (Colorado accountability and related data).
- Proxy note: Rural Colorado districts commonly rely on shared services (e.g., regional career/technical education access) rather than large in-district vocational centers.
School safety measures and counseling resources
- Colorado districts implement state-required components such as safety planning, threat assessment practices, and student support services consistent with state guidance. Statewide frameworks and requirements are summarized by Colorado’s Safe2Tell program and related school safety resources (Safe2Tell Colorado) and CDE school safety guidance (CDE Safe Schools resources).
- Counseling and behavioral health supports are typically delivered through a combination of school counselors, partnerships, and regional providers; staffing levels in small districts can fluctuate year to year and are most consistently reflected in CDE staffing reports linked through the district profile.
Employment and Economic Conditions
Unemployment rate (most recent year available)
- The most current county unemployment figures are reported by the U.S. Bureau of Labor Statistics Local Area Unemployment Statistics (LAUS) series (BLS LAUS) and are also distributed through the Colorado Department of Labor and Employment (Colorado labor market information).
- Proxy note: Because monthly rates can be volatile in small counties, annual averages are typically used for county profiles.
Major industries and employment sectors
- Gilpin County’s employment base is strongly associated with arts, entertainment, recreation, accommodation, and food services, reflecting the county’s casino gaming and visitor economy centered in Black Hawk and Central City.
- Additional employment appears in local government, construction, retail trade, and administrative/support services, with a meaningful share of residents employed outside the county in the Denver–Boulder labor market.
Common occupations and workforce breakdown
- Resident occupational patterns generally include a mix of:
- Service occupations (hospitality, food service, building/grounds maintenance)
- Sales and office/administrative support
- Construction and extraction / transportation and material moving
- Management and professional occupations among commuters working in adjacent metro counties
- Occupational distributions and industry of employment for residents are most consistently captured in ACS commuting and workforce tables via the Census portal (ACS workforce and occupation tables).
- Resident occupational patterns generally include a mix of:
Commuting patterns and mean commute time
- Gilpin County exhibits a pronounced out-commuting pattern, with many residents traveling to jobs in nearby Front Range counties, while the county’s tourism/gaming employment draws some in-commuters.
- Mean travel time to work and commute mode share (drive alone, carpool, remote work, etc.) are available from ACS county commuting estimates (ACS journey-to-work tables).
- Proxy note: Mountain road networks and peak tourist traffic often contribute to longer travel times than central metro counties, particularly for commutes into the Denver–Boulder region.
Local employment versus out-of-county work
- The county’s resident workforce commonly has more workers commuting out of county than working locally, a pattern typical of small counties adjacent to major metropolitan job centers.
- Net commuting flows can be verified using the Census LEHD/OnTheMap tools (Census OnTheMap commuter flow tool), which provide in-flow/out-flow and worksite-versus-residence comparisons.
Housing and Real Estate
Homeownership rate and rental share
- Homeownership and renter shares are reported in the ACS housing tenure tables for Gilpin County (ACS housing tenure tables). The county’s settlement pattern and housing stock typically support a higher owner-occupancy share than urban cores, with rentals concentrated near the historic towns and along key corridors.
Median property values and recent trends
- Median owner-occupied home value is available through ACS (5‑year) county estimates, while market trends are often assessed via county assessor statistics and regional real estate reporting.
- Trend proxy: Mountain counties within commuting distance of the Denver region experienced strong appreciation during 2020–2022 followed by slower growth and greater price sensitivity as interest rates increased; local price movements vary by access, wildfire risk considerations, and the mix of rural versus town properties.
Typical rent prices
- Median gross rent is published in ACS county tables (ACS rent and housing cost tables).
- Proxy note: Asking rents can differ from ACS medians in small markets due to limited inventory and seasonal or short-term rental pressures near tourism centers.
Types of housing
- The housing stock is dominated by single-family detached homes, including mountain/rural residences on larger lots, with more compact housing (including small multi-unit buildings) concentrated in Black Hawk, Central City, and nearby developed pockets.
- Manufactured homes and cabins appear in some areas, but overall density remains low compared with Front Range suburbs.
Neighborhood characteristics (proximity to schools or amenities)
- The most concentrated access to civic services, restaurants, and visitor amenities is in Black Hawk and Central City. Rural neighborhoods and mountain subdivisions provide more land and privacy but typically involve longer drives to schools and services and greater sensitivity to winter travel conditions.
Property tax overview (average rate and typical homeowner cost)
- Colorado property taxes are based on assessed value and local mill levies, which vary by location and taxing districts within the county. County-level and parcel-level tax components are generally documented by the Gilpin County Assessor and Treasurer offices (county government sources) and summarized through statewide guidance on property taxation by the Colorado Division of Property Taxation (Colorado Division of Property Taxation).
- Proxy note: A single “average rate” for the county can be misleading because mill levies differ by municipality, school district, and special districts; typical homeowner cost is most accurately represented by actual tax bills for representative parcels and the county’s median home value (ACS) combined with local levy schedules.
Table of Contents
Other Counties in Colorado
- Adams
- Alamosa
- Arapahoe
- Archuleta
- Baca
- Bent
- Boulder
- Broomfield
- Chaffee
- Cheyenne
- Clear Creek
- Conejos
- Costilla
- Crowley
- Custer
- Delta
- Denver
- Dolores
- Douglas
- Eagle
- El Paso
- Elbert
- Fremont
- Garfield
- Grand
- Gunnison
- Hinsdale
- Huerfano
- Jackson
- Jefferson
- Kiowa
- Kit Carson
- La Plata
- Lake
- Larimer
- Las Animas
- Lincoln
- Logan
- Mesa
- Mineral
- Moffat
- Montezuma
- Montrose
- Morgan
- Otero
- Ouray
- Park
- Phillips
- Pitkin
- Prowers
- Pueblo
- Rio Blanco
- Rio Grande
- Routt
- Saguache
- San Juan
- San Miguel
- Sedgwick
- Summit
- Teller
- Washington
- Weld
- Yuma