Stillwater County, Montana
Stillwater County, Montana, has 9,445 residents (July 2025 estimate). Its county seat is Columbus. It uses Mountain Time and covers 1,797 sq mi (4,653 km²) of land.
- Resident population, July 2025
- 9,445
- Land area
- 1,797 sq mi (4,653 km²)
- County seat or government
- Columbus
- Time zone
- Mountain TimeUTC-07:00 in January; UTC-06:00 in July
- Median household income
- $84,732 ± $8,032
- Median home value
- $405,800 ± $23,525
- Median rent, with utilities
- $961 ± $47
- Homes lived in by their owners
- 82.9% ± 2.1 points
- County type
- County
- Metro or micro area
- Billings, MT metro areaOutlying county
- Water area
- 9.24 sq mi (23.9 km²)
- State
- Montana
- County code (FIPS)
- 30095
- Coordinates (central point)
- 45.658878, -109.381705
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 Stillwater 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
- 590194,438 people
- 590632,070 people
- 590011,409 people
- 59057782 people
- 59028496 people
- 59069458 people
- 59074413 people
- 59015394 people
- 59061250 people
- 59067152 people
10 ZIP Code areas overlap Stillwater 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 Stillwater County, largest first
- Columbus Elementary School District4,389 people
- Columbus High School District4,389 people
- Absarokee High School District2,191 people
- Park City Elementary School District1,997 people
- Park City High School District1,997 people
- Absarokee Elementary School District1,581 people
- Broadview High School District986 people
- Broadview Elementary School District927 people
- Reed Point Elementary School District406 people
- Reed Point High School District384 people
- Fishtail Elementary School District328 people
- Nye Elementary School District309 people
All 14
- Rapelje High School District259 people
- Rapelje Elementary School District162 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.
- Columbus, Montana (town)2,003 people
- Absarokee, Montana (CDP)926 people
- Park City, Montana (CDP)764 people
- Reed Point, Montana (CDP)147 people
- Fishtail, Montana (CDP)89 people
- Nye, Montana (CDP)85 people
- Rapelje, Montana (CDP)69 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Sweet Grass County, Montana29 mi west
- Carbon County, Montana35 mi southeast
- Golden Valley County, Montana51 mi north
- Yellowstone County, Montana57 mi east
- Park County, Montana57 mi west
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county where you are now, check its ZIP area, or check the time zone where you are.