Map of Gallatin County, Montana

Gallatin County is located in the U.S. state of Montana. With its county seat in Bozeman, it is the second-most populous county in Montana, with a population of 118,960 in the 2020 Census.

The county’s prominent geographical features are the Bridger mountains in the north, and the Gallatin mountains and Gallatin River in the south, named by Meriwether Lewis in 1805 for Albert Gallatin, the United States Treasury Secretary who formulated the Lewis and Clark Expedition.

At the southern end of the county, West Yellowstone‘s entrance into Yellowstone National Park accounts for around half of all park visitors. Big Sky Resort, one of the largest ski resorts in the United States, lies in Gallatin and neighboring Madison counties, midway between Bozeman and West Yellowstone.

Gallatin County overview:
Name:Gallatin County
FIPS code:30-031
State:Montana
Founded:1865
Named for:Gallatin River (Albert Gallatin)
Seat:Bozeman
Largest city:Bozeman
Total Area:2,632 sq mi (6,820 km²)
Land Area:2,603 sq mi (6,740 km²)
Total Population:118,960
Population Density:45/sq mi (17/km²)
Time zone:UTC−7 (Mountain)
Summer Time Zone (DST):UTC−6 (MDT)
Website:www.gallatin.mt.gov

Gallatin County location map. Where is Gallatin County?

Gallatin County location on the U.S. Map. Where is Gallatin County.
Location of Gallatin County in the the United States.
Gallatin County location on the Montana map. Where is Gallatin County.
Location of Gallatin County in Montana.

History

During the territorial era, a small patch of land known as “Lost Dakota” existed as a remote exclave of Dakota Territory until it was transferred to Gallatin County, Montana Territory, in 1873.

Gallatin County Road Map

Gallatin CountyStreet Map.
Street map of Gallatin County, Montana. Source: OpenStreetMap (OSM)
Gallatin CountyMap
Gallatin Countypolitical map.

Geography

According to the United States Census Bureau, the county has a total area of 2,632 square miles (6,820 km), of which 2,603 square miles (6,740 km) is land and 29 square miles (75 km) (1.1%) is water. The county attained its present boundaries in 1978, when the former Yellowstone National Park (part) county-equivalent was dissolved and apportioned between Gallatin County and Park County. Gallatin County received 99.155 square miles (256.8 km) of land area and 0.119 square miles (0.3 km) of water area, whereas Park County received 146.229 square miles (378.7 km) of land area and 0.608 square miles (1.6 km) of water area. The geographies transferred are known now as Census Tract 14 in Gallatin County, and as Census Tract 6 in Park County.

Major highways

  • Interstate 90
  • U.S. Highway 20
  • U.S. Highway 191
  • U.S. Highway 287
  • Montana Highway 2
  • Montana Highway 64
  • Montana Highway 84
  • Montana Highway 85
  • Montana Highway 86
  • Montana Secondary Highway 205

Adjacent counties

National protected areas

  • Gallatin National Forest (part)
  • Yellowstone National Park (part)

Gallatin County Topographic Map

Topographic Map of Gallatin County, Montana
Gallatin County Topo map.

Gallatin County Satellite Map

Satellite Map of Gallatin County, Montana
Gallatin County satellite map.

Gallatin County Outline Map

Outline Map of Gallatin County, Montana
Gallatin County outline map.

See also

Map of Montana State and its subdivision: Map of other states:
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