Richland County, Montana
Richland County, Montana, has 11,377 residents (July 2025 estimate). Its county seat is Sidney. It uses Mountain Time and covers 2,085 sq mi (5,399 km²) of land.
- Resident population, July 2025
- 11,377
- Land area
- 2,085 sq mi (5,399 km²)
- County seat or government
- Sidney
- Time zone
- Mountain TimeUTC-07:00 in January; UTC-06:00 in July
- Median household income
- $73,084 ± $8,806
- Median home value
- $263,000 ± $20,691
- Median rent, with utilities
- $917 ± $58
- Homes lived in by their owners
- 67.1% ± 3.9 points
- County type
- County
- Metro or micro area
- Outside any metro or micro areaNext to: Williston, ND micro area
- Water area
- 18.9 sq mi (49 km²)
- State
- Montana
- County code (FIPS)
- 30083
- Coordinates (central point)
- 47.785633, -104.563408
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 Richland 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
- 592708,571 people
- 592553,083 people
- 592211,951 people
- 59218898 people
- 59213758 people
- 59262737 people
- 59243446 people
- 59259345 people
- 59217171 people
9 ZIP Code areas overlap Richland 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 Richland County, largest first
- Sidney High School District8,503 people
- Sidney Elementary School District7,816 people
- Fairview High School District1,628 people
- Fairview Elementary School District1,623 people
- Culbertson Elementary School District860 people
- Savage High School District701 people
- Savage Elementary School District666 people
- Lambert Elementary School District470 people
- Lambert High School District403 people
- Richey Elementary School District395 people
- Rau Elementary School District319 people
- Brorson Elementary School District309 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.
- Sidney, Montana (city)6,171 people
- Fairview, Montana (town)971 people
- Savage, Montana (CDP)316 people
- Crane, Montana (CDP)187 people
- Fox Lake, Montana (CDP)149 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Dawson County, Montana39 mi southwest
- Roosevelt County, Montana40 mi northwest
- McKenzie County, North Dakota54 mi east
- McCone County, Montana57 mi west
- Wibaux County, Montana58 mi south
- Williams County, North Dakota63 mi northeast
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.
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