Prairie County is located in eastern Montana, extending along the Yellowstone River corridor between the Billings area to the west and the North Dakota line to the east. Established in 1913 from parts of Custer and Dawson counties, it developed around railroad-era towns and irrigated agriculture in the Yellowstone Valley. The county is small in population, with roughly 1,000 residents, and is among the least populous counties in the state. Its character is predominantly rural, with an economy centered on cattle ranching, dryland and irrigated farming, and local public services. The landscape includes wide prairie uplands, badlands-like breaks, and riparian cottonwood bottoms along the Yellowstone River, with large areas of open rangeland. Community life is oriented around small towns, especially Terry and Fallon, and regional traditions tied to agriculture and outdoor recreation. The county seat is Terry.
Prairie County Local Demographic Profile
Prairie County is a sparsely populated county in eastern Montana, centered on the lower Yellowstone River corridor and communities such as Terry (the county seat). The county lies within Montana’s Great Plains region and is characterized by large agricultural and rangeland areas.
Population Size
According to the U.S. Census Bureau QuickFacts for Prairie County, Montana, the county’s population size and related headline indicators are reported from U.S. Census Bureau programs (including the decennial census and American Community Survey). QuickFacts presents the county’s most current published population figure available directly from the Census Bureau.
Age & Gender
County-level age distribution and sex composition are published by the U.S. Census Bureau through the American Community Survey and summarized in Prairie County QuickFacts (age and persons by sex). For detailed tables (including age bands and sex by age), Prairie County profiles are also accessible through the Census Bureau’s data.census.gov portal.
Racial & Ethnic Composition
Race and Hispanic/Latino origin statistics for Prairie County are published by the U.S. Census Bureau and summarized in Prairie County QuickFacts (race and Hispanic origin). These figures are based on the Census Bureau’s standard race categories and separate Hispanic/Latino ethnicity classification.
Household and Housing Data
Household composition, housing unit counts, homeownership, and related housing characteristics for Prairie County are reported by the U.S. Census Bureau in Prairie County QuickFacts (households and housing), with additional table-level detail available via data.census.gov.
Local Government Reference
For local government contacts and county-level administrative resources, visit the Prairie County official website.
Email Usage
Prairie County, Montana is a sparsely populated, largely rural county where long distances and limited wired infrastructure shape digital communication by constraining high-capacity internet options and increasing reliance on mobile or satellite connectivity.
Direct county-level email usage statistics are not routinely published; email access is commonly inferred from household internet and device availability reported in the American Community Survey. The most relevant proxies are broadband subscription and computer access from the U.S. Census Bureau’s data.census.gov (Prairie County, MT; ACS “Computer and Internet Use” tables). Lower broadband adoption and lower rates of in-home computing typically correspond to reduced routine email use and greater dependence on smartphones.
Age structure influences email adoption because older age groups have lower overall digital platform uptake and may rely on in-person, mail, or phone communication more heavily. Prairie County’s age distribution can be referenced through U.S. Census Bureau QuickFacts for Prairie County, which summarizes median age and senior share.
Gender distribution is generally a weaker predictor of email use than age and connectivity; county sex composition is also available via QuickFacts.
Connectivity limitations are commonly documented in federal broadband availability datasets such as the FCC National Broadband Map, reflecting coverage gaps and speed constraints in rural blocks.
Mobile Phone Usage
Prairie County is a sparsely populated, predominantly rural county in eastern Montana, with small communities and large areas of agricultural land and open prairie. Low population density, long distances between settlements, and relatively flat but expansive terrain shape mobile network deployment economics and can contribute to coverage gaps and variable indoor signal strength. County context and population characteristics can be referenced through the U.S. Census Bureau’s county profiles on Census.gov.
Key distinction: network availability vs. household adoption
- Network availability refers to where mobile operators report service coverage (voice/LTE/5G) and the modeled service areas shown in regulatory datasets.
- Household adoption refers to whether residents actually subscribe to mobile service, have smartphones, and use mobile broadband as their primary or supplemental internet connection.
County-specific adoption metrics are often limited or modeled; availability datasets are more commonly published at fine geographic resolution.
Mobile penetration or access indicators (availability and adoption)
Availability indicators (county-relevant sources)
- FCC mobile coverage and broadband maps provide reported availability for LTE and 5G by provider and technology, typically shown at a granular geographic level (e.g., census block/hexagon grids depending on the product). These maps describe where service is claimed to be available, not confirmed take-up. See the FCC’s mapping resources via the FCC National Broadband Map.
- The FCC also publishes broader broadband deployment and methodology documentation through the FCC Broadband Data Collection pages.
Adoption indicators (limitations at county level)
- The U.S. Census Bureau’s American Community Survey (ACS) includes internet subscription measures, including households with cellular data plans; however, county-level estimates for very small populations can have larger margins of error and may be suppressed or less stable in some tables/years. Internet subscription concepts and access to ACS tables are documented on the ACS program site.
- Publicly accessible county-specific smartphone ownership rates are not consistently published by federal statistical programs. Smartphone adoption is more commonly available at state or national levels in commercial surveys, which are not directly comparable to administrative availability data.
Mobile internet usage patterns (4G, 5G availability)
4G/LTE
- LTE is generally the baseline mobile broadband technology across rural Montana and is the most likely technology to provide continuous mobile data service outside limited-town cores. In rural counties, LTE availability can be spatially uneven, with stronger service along highways and within/near incorporated places and weaker service in remote areas and inside buildings with higher attenuation.
- County-specific LTE footprints by carrier are best represented in the FCC National Broadband Map availability layers.
5G
- 5G availability in rural counties is often concentrated near towns, major roads, and locations where mid-band or low-band 5G has been deployed, while high-capacity 5G deployments tend to cluster in higher-density markets. The precise extent of 5G coverage within Prairie County varies by carrier and is best verified using FCC availability layers rather than generalized statewide statements.
- The FCC map provides a consistent place to compare reported 5G availability by provider at sub-county scales: FCC National Broadband Map.
Actual usage vs. availability (data limits)
- Public datasets typically show where 4G/5G is available, not how much data is consumed, how many residents actively use mobile broadband, or the share using mobile as primary home internet at a county level. Usage intensity metrics are usually proprietary (carrier analytics) or reported in aggregated ways that do not resolve reliably to Prairie County.
Common device types (smartphones vs. other devices)
- Smartphones are the dominant endpoint for mobile networks nationwide, and they are the primary device type assumed in most mobile broadband coverage reporting and consumer usage studies.
- County-level breakdowns of device types (smartphone vs. basic/feature phone, fixed wireless routers using cellular, tablets) are generally not published in a standardized public statistical series for Prairie County.
- ACS tables focus on household internet subscription types rather than enumerating device categories in a way that yields a reliable county-level “smartphone share.” Relevant ACS background and table access are provided through data.census.gov and the ACS documentation.
Demographic and geographic factors influencing mobile usage and connectivity
Geographic factors (network performance and deployment economics)
- Low population density and large service areas increase per-subscriber infrastructure costs, which can reduce the number of towers and the density of small cells relative to urban counties.
- Distance to towers tends to be higher in rural counties, which can reduce signal strength and data throughput, especially indoors or in vehicle travel outside towns.
- Road corridors and small town centers often receive better coverage due to higher demand concentration and siting feasibility; very remote areas can have patchier service. The most defensible public reference for these patterns is the FCC’s availability layers rather than anecdotal descriptions: FCC National Broadband Map.
Demographic factors (adoption and reliance patterns; county-level limits)
- Adoption of mobile broadband and smartphones is influenced by income, age distribution, and educational attainment, with older populations and lower-income households often showing lower broadband adoption in many surveys. Public county-level quantification for Prairie County specifically is limited; however, demographic baselines for the county are available from Census.gov and data.census.gov.
- In rural areas, mobile service can act as a substitute where fixed broadband options are limited, but the extent of substitution in Prairie County cannot be stated definitively without a county-specific adoption table or survey estimate.
State and federal planning sources relevant to Prairie County
- Montana broadband planning and program context is maintained by the state. State-level broadband initiatives and mapping resources are accessible through the Montana Broadband Office. These sources generally address both infrastructure considerations and adoption programs at a statewide level, with varying degrees of county detail.
- Federal availability and challenge processes for broadband data, including mobile availability, are centralized through the FCC National Broadband Map.
Data limitations specific to Prairie County
- Public, county-specific mobile adoption rates (smartphone ownership, mobile-only households, mobile data plan subscription rates) are not consistently available in a single authoritative series for Prairie County. Where ACS provides relevant indicators, small-sample uncertainty can be significant.
- Carrier-reported availability is the primary source for fine-grained 4G/5G footprints; these are availability claims and modeled coverage, not direct measures of service quality or subscription rates.
- Performance and reliability (throughput, latency, congestion, and dropped calls) are not comprehensively published at county resolution in official datasets; third-party speed-test aggregations may exist but are not standardized official measures.
Social Media Trends
Prairie County is a sparsely populated, largely rural county in eastern Montana, with Terry as the county seat and small communities such as Fallon. The local economy is closely tied to agriculture and ranching, and the county’s low population density and longer travel distances tend to make digital channels relatively important for community news, school updates, weather and road information, and maintaining ties to nearby regional hubs.
User statistics (penetration / active use)
- County-specific social media penetration figures are not published in major national datasets (most large surveys report at the national or state level rather than by rural county). The most defensible way to describe Prairie County is to use U.S. rural-usage benchmarks from nationally representative research.
- Nationally, about 7 in 10 U.S. adults use at least one social media site, with lower usage in rural areas than urban/suburban areas. Source: Pew Research Center: Social Media Fact Sheet.
- Smartphone adoption (a key driver of social access) is also lower in rural communities than in urban/suburban communities. Source: Pew Research Center: Mobile Fact Sheet.
- Broadband availability and adoption can be a limiting factor in rural counties; federal reporting provides Montana/rural context for fixed broadband access. Source: FCC National Broadband Map.
Age group trends (who uses social media most)
- Highest usage: Adults 18–29 consistently show the highest social media adoption across platforms.
- Mid-level usage: Adults 30–49 generally show high adoption, often near overall averages.
- Lowest usage: Adults 65+ show the lowest adoption, though participation has increased over time.
- These patterns are consistent across major platforms and are well documented in: Pew Research Center platform-by-age breakdowns.
- Implication for Prairie County: With rural counties often skewing older than the U.S. average, overall county-level social media participation typically reflects heavier usage among younger adults and lighter usage among older residents.
Gender breakdown
- Overall, men and women both widely use social media, with platform-specific differences more pronounced than differences in “any social media” adoption.
- Women tend to report higher usage than men on visually oriented and community-sharing platforms such as Pinterest, while men are more represented on some discussion- or news-adjacent platforms. The most consistent, comparable figures are in: Pew Research Center’s platform-by-gender estimates.
Most-used platforms (U.S. adults; rural areas broadly follow the same ordering)
Pew Research Center provides the most-cited recent platform penetration shares among U.S. adults:
- YouTube: ~83%
- Facebook: ~68%
- Instagram: ~47%
- Pinterest: ~35%
- TikTok: ~33%
- LinkedIn: ~30%
- X (formerly Twitter): ~22%
- Snapchat: ~27%
Source: Pew Research Center: Social Media Fact Sheet.
Interpretation for Prairie County: In rural counties, Facebook and YouTube commonly function as the highest-reach platforms due to broad age coverage, lower learning curve, and strong utility for local announcements, community groups, and video content.
Behavioral trends (engagement patterns and preferences)
- Facebook as a local-information hub: Rural communities often rely on Facebook pages and groups for community alerts, local events, school and sports updates, and informal buy/sell activity; this aligns with Facebook’s broad reach among older and middle-aged adults shown in Pew’s platform profiles. Source: Pew Research Center platform demographics.
- YouTube for “how-to,” news, and entertainment: YouTube’s consistently high adoption supports wide use for practical content (equipment repair, ranch/ag tutorials), weather/news clips, and general entertainment. Source: Pew Research Center: YouTube usage.
- Short-form video skewing younger: TikTok and Snapchat usage is substantially higher among younger adults, shaping engagement toward short videos and creator-driven feeds for that segment. Source: Pew Research Center: TikTok and Snapchat usage.
- Private messaging and “small-audience” sharing: National research shows a broader trend toward sharing within smaller groups and via messaging features rather than public posting, which affects how local information spreads (more via shares/messages than original posts). Source: Pew Research Center research on social media and news behaviors.
- Connectivity constraints influence engagement timing and format: In low-density areas, variable fixed broadband quality can shift consumption toward mobile-first browsing and asynchronous engagement (checking updates in bursts rather than continuous streaming), consistent with rural broadband realities tracked in federal mapping. Source: FCC broadband availability reporting.
Family & Associates Records
Prairie County family and associate-related public records primarily include vital records (birth and death), marriage records, and court records that may document family relationships (probate, guardianship, name changes, civil cases). In Montana, birth and death certificates are created and maintained at the state level by the Montana Department of Public Health and Human Services, Office of Vital Records, rather than by Prairie County. Access to certified birth and death certificates is restricted by state eligibility rules and identification requirements; informational (non-certified) access is not generally provided through a county public index. Official information and ordering are available through the Montana Vital Records program.
Marriage licenses are typically issued and recorded by the county clerk’s office and may be available for in-person public inspection as recorded documents. Prairie County recorded-document access and office contact details are published by the Prairie County Clerk and Recorder.
Adoption records in Montana are generally confidential and handled through the courts and/or state vital records processes, with limited release under statute. Court filings that involve family associations (probate estates, guardianships, civil matters) are maintained by the local District Court and are accessed through courthouse request processes; statewide case information is provided via the Montana Judicial Branch. Privacy restrictions commonly apply to juvenile matters, adoption, and sealed cases, and certified vital records access is limited to eligible requesters.
Marriage & Divorce Records
Types of records available
Marriage records (licenses and certificates)
- Marriage licenses are issued at the county level and document the legal authorization to marry.
- Marriage certificates/returns are completed after the ceremony and returned for recording, creating the county’s recorded proof that the marriage occurred.
Divorce records (decrees and case files)
- Divorce decrees (final judgments) are issued by the District Court and summarize the court’s final orders (for example, dissolution, property division, support, and parenting provisions).
- Divorce case files may include pleadings, motions, orders, notices, and exhibits filed in the case.
Annulment records
- Annulments are handled as District Court civil matters and result in a court order/judgment. Related filings are retained in the court case file.
Where records are filed and how they can be accessed
Prairie County marriage records
- Filed/recorded by: Prairie County officials responsible for marriage licensing and recording (commonly the Clerk of District Court and/or the county office that records vital events).
- Access methods (typical):
- Requests made directly to the Prairie County office that issued/recorded the license/return.
- State-level vital records services may also provide certified copies or verifications for eligible requesters, depending on the record type and age.
Prairie County divorce and annulment records
- Filed/maintained by: Montana District Court for the judicial district serving Prairie County (civil case records).
- Access methods (typical):
- Copies of decrees and other filings obtained from the Clerk of District Court where the case was filed.
- Public access to nonconfidential docket information and case documents varies by court policy, record type, and confidentiality rules; some access may be in-person, by written request, or through authorized court access systems.
Typical information included in these records
Marriage license/certificate records
Commonly include:
- Full names of the parties (including prior names as recorded)
- Date and place of marriage (ceremony location may be recorded)
- Date the license was issued and the license number
- Officiant name/title and signature (or equivalent attestation)
- Witness information (when recorded)
- Ages/birth information, residence, and other identifying details required on the application under Montana practice at the time of issuance
Divorce decree and case records
Commonly include:
- Names of parties, case number, court, and filing/judgment dates
- Type of action (dissolution of marriage; may note irretrievable breakdown or statutory basis)
- Findings and orders on:
- Division of marital property and debts
- Spousal maintenance (alimony), when ordered
- Child-related orders (parenting plan, custody/parental responsibilities, child support)
- Name changes, when granted
- Separate confidential attachments or protected information sheets may exist in the file but are not treated as publicly available documents.
Annulment orders and case records
Commonly include:
- Names of parties, case number, court, and dates
- Determination that the marriage is void or voidable under Montana law and the court’s judgment
- Ancillary orders (property, support, parenting issues) when applicable, subject to the same confidentiality rules that apply to family cases
Privacy and legal restrictions
- Vital records restrictions: Montana treats many vital records, including certain marriage records held by state vital records authorities, as subject to statutory limits on who may receive certified copies and what identification is required. Eligibility can depend on the requester’s relationship to the individuals named in the record and the purpose of the request.
- Court record confidentiality: Divorce and annulment files are court records, but specific documents or data elements may be confidential or redacted under Montana law and court rules. Common restricted categories include:
- Information involving minors (including some child-related evaluations and reports)
- Financial account numbers, Social Security numbers, and other sensitive identifiers
- Records sealed by court order
- Certain domestic relations exhibits, evaluations, or protected information sheets
- Public access baseline: Final judgments/decrees are often more accessible than supporting filings, but access remains subject to redaction requirements and any sealing orders.
Education, Employment and Housing
Prairie County is a sparsely populated rural county in eastern Montana along the Yellowstone River corridor, with small communities such as Terry (county seat) and Fallon. The county’s population is older than the U.S. average and dispersed across ranchland and small-town settlements, shaping school size, labor markets, commuting distances, and a housing stock dominated by single-family homes and rural properties.
Education Indicators
Public schools (count and names)
Prairie County’s public K–12 education is provided through small local districts serving the county’s main towns. Commonly referenced public schools/district sites include:
- Terry Public Schools (Terry)
- Fallon Public Schools (Fallon)
A definitive, current roster of all public schools and district affiliations is maintained through the Montana Office of Public Instruction directory and related district profiles (use the state directory for the most current listing and naming): Montana Office of Public Instruction.
Student–teacher ratios and graduation rates
- Student–teacher ratios: Prairie County schools are small and rural; ratios often differ year-to-year due to small enrollments. The most comparable official ratios by district/school are published in state district report cards and profiles via the Montana OPI.
- Graduation rates: On-time graduation rates for Prairie County students are reported at the district level through Montana’s state accountability/report card system. Countywide aggregation is not consistently published in a single official table; district report cards serve as the most reliable proxy. Source: Montana OPI (district/school report cards and profiles).
Adult educational attainment (high school and bachelor’s+)
Countywide adult attainment is tracked in the American Community Survey (ACS) 5‑year estimates:
- High school diploma (or higher): available via ACS (table series commonly used for attainment such as S1501/DP02).
- Bachelor’s degree or higher: available via the same ACS attainment tables.
The most recent standardized county estimates are accessible through:
Note: Prairie County’s small population produces wider margins of error in ACS estimates than urban counties; ACS 5‑year data are the standard proxy for reliable county-level rates.
Notable programs (STEM, CTE, AP/dual credit)
- Career and Technical Education (CTE): Montana districts commonly participate in state-recognized CTE pathways (agriculture, trades, business/industry). Program availability in Prairie County varies by district size and staffing and is typically listed in district course catalogs and OPI CTE resources. Source: Montana OPI (CTE resources and district profiles).
- Advanced coursework: Small rural schools frequently use a combination of in-person offerings, online coursework, and dual-credit arrangements with Montana institutions; specific AP/dual-credit availability is district-specific and best verified through district profiles/course catalogs referenced by OPI.
School safety measures and counseling resources
- Safety planning: Montana public schools operate under state and local safety policies (emergency operations planning, coordination with local law enforcement, and required safety procedures). District-level safety plans and visitor policies are generally published by each district.
- Student support/counseling: In small rural districts, counseling and social-emotional supports are often delivered through shared staff roles, regional service cooperatives, and referrals to community health providers. District and state resources are typically referenced through district websites and OPI student support program pages. Source: Montana OPI (student support and safety-related guidance).
Employment and Economic Conditions
Unemployment rate (most recent available)
The most recent official unemployment rate for Prairie County is published through the U.S. Bureau of Labor Statistics (LAUS) and state labor market portals. County unemployment in rural eastern Montana tends to be seasonal due to agriculture, construction, and tourism-related flows.
- Official series access: BLS Local Area Unemployment Statistics (LAUS)
Note: A single “most recent year” value is published in the LAUS annual averages; monthly estimates are also available but can be volatile for small counties.
Major industries and employment sectors
Prairie County’s economy aligns with rural eastern Montana patterns:
- Agriculture (ranching, farming, agricultural services) as a foundational sector
- Local government and education (county services, public schools)
- Health care and social assistance (small clinics, regional providers)
- Retail trade and accommodation/food services concentrated in town centers and highway corridors
- Construction and transportation supporting infrastructure, ranch operations, and regional logistics
Industry composition by county (including employment shares) is most consistently reported using:
- ACS industry/occupation tables on data.census.gov
- State labor market information portals (county industry snapshots), typically aligned to NAICS sectors
Common occupations and workforce breakdown
Common occupational groups in a rural county profile include:
- Management and business owners/operators (ranch/farm operations and small businesses)
- Transportation and material moving
- Construction and extraction
- Office/administrative support (local government, schools, small businesses)
- Sales and service occupations
- Education, healthcare support, and protective services tied to community-serving institutions
The most comparable county-level breakdown is available through ACS occupation tables (e.g., broad SOC groupings) via: data.census.gov (ACS occupation profiles).
Commuting patterns and mean commute time
- Commute mode: Personal vehicles dominate commuting in rural Montana counties; walking/biking/public transit shares are typically small outside town centers.
- Mean commute time: Prairie County’s mean commute time is published in ACS commuting tables (e.g., DP03/commuting characteristics). Rural counties often show moderate-to-long commutes due to job locations in nearby regional hubs and dispersed worksites. Source: ACS commuting characteristics on data.census.gov.
Local employment vs. out-of-county work
Prairie County residents commonly combine:
- Local employment (agriculture, county services, schools, local retail/services)
- Out-of-county commuting to larger labor markets in eastern Montana for healthcare, specialized trades, energy-related work, and regional services
A standard measure of job location vs. residence location (inflow/outflow) is available through:
- U.S. Census LEHD/OnTheMap (commuting flows)
Note: LEHD coverage can be limited in sparsely populated areas, but it remains the primary public commuting-flow dataset.
Housing and Real Estate
Homeownership and rental share
Prairie County is characterized by high homeownership relative to urban areas, reflecting a housing stock of owner-occupied single-family homes and rural properties. Official owner/renter percentages are reported in ACS housing tenure tables:
Median property values and recent trends
- Median home value: Published in ACS (median value for owner-occupied housing units). In rural eastern Montana counties, medians are typically below state and national medians, with transaction volume low and prices sensitive to interest rates and limited inventory.
- Recent trends: Prairie County’s year-to-year median value changes can be uneven due to small sample sizes; multi-year ACS comparisons provide the most stable trend proxy.
Source for median values and historical comparisons: ACS median home value on data.census.gov.
Typical rent prices
- Median gross rent: Reported by ACS at the county level. Rural counties generally exhibit lower median rents than metropolitan areas, with limited multifamily supply and a small rental market concentrated in town cores. Source: ACS median gross rent on data.census.gov.
Types of housing
- Single-family detached homes dominate in Terry, Fallon, and surrounding rural areas.
- Manufactured housing and mixed rural residences are common in low-density areas.
- Apartments and small multifamily units exist but represent a smaller share than in cities; rentals are often in small buildings or converted single-family stock. Housing unit type distributions are available via ACS “units in structure” tables: ACS housing structure type tables.
Neighborhood characteristics (schools, amenities)
- Town-centered amenities: Terry and Fallon concentrate services (schools, post office, basic retail, local government). Proximity to schools and community facilities is highest within town limits.
- Rural living patterns: Outside town centers, residents often face longer drives to schools, clinics, and grocery options; properties frequently include larger lots and agricultural/residential acreage. No single countywide “neighborhood” dataset exists; these characteristics are inferred from settlement patterns and the distribution of services typical of eastern Montana county seats and unincorporated areas.
Property tax overview (rate and typical homeowner cost)
Montana property taxes are based on taxable value and local mill levies, with effective tax rates varying by class of property and local taxing jurisdictions. County-level typical tax bills and effective rates are often summarized by state and national property tax comparators, while official mill levies and assessments are handled through county and state revenue offices.
- State framework and administration: Montana Department of Revenue (property tax)
Proxy note: A single “average county property tax rate” is not uniformly published as an official annual statistic; effective rates and typical bills are best derived from Department of Revenue assessment data combined with local mill levies, or from standardized property-tax comparison datasets that model effective rates across counties.*
Table of Contents
Other Counties in Montana
- Beaverhead
- Big Horn
- Blaine
- Broadwater
- Carbon
- Carter
- Cascade
- Chouteau
- Custer
- Daniels
- Dawson
- Deer Lodge
- Fallon
- Fergus
- Flathead
- Gallatin
- Garfield
- Glacier
- Golden Valley
- Granite
- Hill
- Jefferson
- Judith Basin
- Lake
- Lewis And Clark
- Liberty
- Lincoln
- Madison
- Mccone
- Meagher
- Mineral
- Missoula
- Musselshell
- Park
- Petroleum
- Phillips
- Pondera
- Powder River
- Powell
- Ravalli
- Richland
- Roosevelt
- Rosebud
- Sanders
- Sheridan
- Silver Bow
- Stillwater
- Sweet Grass
- Teton
- Toole
- Treasure
- Valley
- Wheatland
- Wibaux
- Yellowstone