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Where am ILOCATED

Gallatin County, Montana

Gallatin County, Montana, has 128,740 residents (July 2025 estimate). Its county seat is Bozeman. It uses Mountain Time and covers 2,605 sq mi (6,748 km²) of land.

BillingsMissoulaGreat Falls
Gallatin County in Montana
Jefferson CountyMadison CountyPark CountyBozemanBelgradeFour CornersManhattan
Gallatin County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
128,740
Land area
2,605 sq mi (6,748 km²)
County seat or government
Bozeman
Time zone
Mountain TimeUTC-07:00 in January; UTC-06:00 in July
Median household income
$93,528 ± $3,326
Median home value
$667,600 ± $15,234
Median rent, with utilities
$1,694 ± $60
Homes lived in by their owners
61.1% ± 1.6 points
County type
County
Metro or micro area
Bozeman, MT metro areaCentral county
Water area
28.4 sq mi (73.6 km²)
State
Montana
County code (FIPS)
30031
Coordinates (central point)
45.518054, -111.163921
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 Gallatin 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. 5971844,585 people
  2. 5971539,643 people
  3. 5971424,282 people
  4. 597415,748 people
  5. 597525,404 people
  6. 597302,399 people
  7. 597582,180 people
  8. 597161,795 people
  9. 59086792 people
  10. 59760221 people

10 ZIP Code areas overlap Gallatin 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 Gallatin County, largest first

  1. Bozeman High School District82,406 people
  2. Bozeman Elementary School District73,149 people
  3. Belgrade High School District26,684 people
  4. Belgrade Elementary School District26,322 people
  5. Manhattan High School District6,157 people
  6. Three Forks Elementary School District5,504 people
  7. Three Forks High School District5,405 people
  8. Monforton Elementary School District4,361 people
  9. Manhattan School3,876 people
  10. Big Sky School K-122,642 people
  11. Amsterdam Elementary School District2,270 people
  12. West Yellowstone K-122,180 people
All 22
  1. Gallatin Gateway Elementary School District1,809 people
  2. Shields Valley Elementary School District1,767 people
  3. Anderson Elementary School District1,205 people
  4. LaMotte Elementary School District987 people
  5. Cottonwood Elementary School District (Gallatin County)367 people
  6. Willow Creek Elementary School District322 people
  7. Malmborg Elementary School District255 people
  8. Willow Creek High School District238 people
  9. Pass Creek Elementary School District167 people
  10. Springhill Elementary School District155 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. Bozeman, Montana (city)56,114 people
  2. Belgrade, Montana (city)11,872 people
  3. Four Corners, Montana (CDP)5,791 people
  4. Big Sky, Montana (CDP)2,445 people
  5. Manhattan, Montana (town)2,288 people
  6. King Arthur Park, Montana (CDP)1,992 people
  7. Three Forks, Montana (city)1,919 people
  8. West Yellowstone, Montana (town)1,474 people
  9. Churchill, Montana (CDP)1,167 people
  10. Ponderosa Pines, Montana (CDP)950 people
  11. Gallatin Gateway, Montana (CDP)933 people
  12. Springhill, Montana (CDP)187 people
All 19
  1. Sedan, Montana (CDP)182 people
  2. Willow Creek, Montana (CDP)181 people
  3. Amsterdam, Montana (CDP)130 people
  4. Gallatin River Ranch, Montana (CDP)127 people
  5. Logan, Montana (CDP)111 people
  6. Hebgen Lake Estates, Montana (CDP)85 people
  7. Bridger, Montana (CDP)73 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Park County, Montana31 mi east
  2. Madison County, Montana39 mi west
  3. Broadwater County, Montana58 mi north
  4. Jefferson County, Montana60 mi northwest
  5. Meagher County, Montana75 mi north
  6. Fremont County, Idaho91 mi south
  7. Park County, Wyoming104 mi southeast
  8. Teton County, Wyoming108 mi south

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.