Prairie County, Montana
Prairie County, Montana, has 1,112 residents (July 2025 estimate). Its county seat is Terry. It uses Mountain Time and covers 1,737 sq mi (4,498 km²) of land.
- Resident population, July 2025
- 1,112
- Land area
- 1,737 sq mi (4,498 km²)
- County seat or government
- Terry
- Time zone
- Mountain TimeUTC-07:00 in January; UTC-06:00 in July
- Median household income
- $51,250 ± $6,492
- Median home value
- $165,700 ± $21,768
- Median rent, with utilities
- $627 ± $299
- Homes lived in by their owners
- 83.9% ± 7.2 points
- County type
- County
- Metro or micro area
- Outside any metro or micro area
- Water area
- 5.83 sq mi (15.1 km²)
- State
- Montana
- County code (FIPS)
- 30079
- Coordinates (central point)
- 46.812388, -105.503938
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Prairie County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Mountain TimeAmerica/Denver | UTC-07:00 in January; UTC-06:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 5930111,643 people
- 593308,133 people
- 593491,025 people
- 59326233 people
- 59336220 people
- 59339208 people
- 5921446 people
7 ZIP Code areas overlap Prairie County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
School districts in Prairie County, largest first
- Terry K-12 Schools1,250 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Terry, Montana (town)537 people
- Fallon, Montana (CDP)142 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Custer County, Montana38 mi south
- Dawson County, Montana42 mi northeast
- McCone County, Montana58 mi north
- Wibaux County, Montana59 mi east
- Fallon County, Montana62 mi southeast
- Garfield County, Montana77 mi northwest
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