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Where am ILOCATED

Sweet Grass County, Montana

Sweet Grass County, Montana, has 3,762 residents (July 2025 estimate). Its county seat is Big Timber. It uses Mountain Time and covers 1,856 sq mi (4,806 km²) of land.

BillingsMissoulaGreat Falls
Sweet Grass County in Montana
Park CountyStillwater CountyBig TimberGreycliff
Sweet Grass County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
3,762
Land area
1,856 sq mi (4,806 km²)
County seat or government
Big Timber
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$77,000 ± $10,890
Median home value
$330,100 ± $29,060
Median rent, with utilities
$1,149 ± $103
Homes lived in by their owners
79.7% ± 3.9 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Billings, MT metro area
Water area
6.74 sq mi (17.5 km²)
State
Montana
County code (FIPS)
30097
Coordinates (central point)
45.811292, -109.944796
Open this point in the location finder

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 Sweet Grass County

Time zoneLocal time and UTC offsetNext clock change
Mountain TimeAmerica/DenverUTC-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

  1. 590113,167 people
  2. 59069458 people
  3. 59033231 people
  4. 59052186 people
  5. 59078115 people
  6. 5905540 people
  7. 590822 people

7 ZIP Code areas overlap Sweet Grass 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

Sweet Grass County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Sweet Grass County, largest first

  1. Sweet Grass County High School District3,640 people
  2. Big Timber Elementary School District2,771 people
  3. Greycliff Elementary School District423 people
  4. Reed Point Elementary School District406 people
  5. Reed Point High School District384 people
  6. McLeod Elementary School District249 people
  7. Melville Elementary School District175 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.

  1. Big Timber, Montana (city)1,611 people
  2. Greycliff, Montana (CDP)158 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Stillwater County, Montana29 mi east
  2. Park County, Montana37 mi southwest
  3. Wheatland County, Montana48 mi north
  4. Golden Valley County, Montana54 mi northeast
  5. Meagher County, Montana71 mi northwest

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.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.