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Gallatin County

county

Gallatin County, Montana

Overview
Classification
County
FIPS Code
30031
Country
United States
County
Gallatin County
Geography
Region
Mountain West
Elevation
4,793 ft
Total Area
2,632 sq mi
Land Area
2,603 sq mi
Water Area
29 sq mi
Latitude
45.56
Longitude
-111.17
Climate
Temperate climate with cold winters and mild summers. Average winter temperatures range between 15-30°F while average summer temperatures range between 65-85°F. Receives a significant amount of precipitation from October through April.
Notable Features
Bridger Range · Gallatin Range · Gallatin River · Yellowstone National Park
Neighboring Areas
Madison County · Jefferson County · Broadwater County · Meagher County · Park County, MT · Park County, WY · Teton County, WY · Fremont County, ID
Demographics
Population (2020)
118,960
Est. Population (2023)
122,194
Median Age
33.8
Median Income
$87,454
Poverty Rate
10.6%
Owner-Occupied
61.5%
Racial & Ethnic Composition
White (Non-Hispanic) (88.3%), Two Races Excluding Other, & Three or More Races (Non-Hispanic) (2.51%), Two Races Including Other (Hispanic) (2.07%), White (Hispanic) (1.4%), and Other (Hispanic) (1.33%)
Governance
Government Type
County government
Governing Body
Board of County Commissioners
Body Size
3 members
Municipal Services
Law enforcement · Road maintenance · Courts · Record keeping · Social services
Economy
Economic Profile
Diversifying economy; attracts entrepreneurs, workers, retirees, and tourists
Employment Sectors
Retail Trade · Construction · Educational Services · Healthcare · Accommodation & Food Services
Education
School Districts
Bozeman Public Schools · Belgrade Public Schools · Manhattan Public Schools · Three Forks Public Schools · Amsterdam Elementary School District · Anderson Elementary School District · Cottonwood Elementary School District · Gallatin Gateway Elementary School District · LaMotte Elementary School District · Malmborg Elementary School District · Monforton Elementary School District · Pass Creek Elementary School District · Shields Valley Elementary School District
Colleges & Universities
Montana State University
Infrastructure
Transportation
Interstate 90 · US Highway 191 · US Highway 287 · Montana Highway 86 · Gallatin Field Airport (BZN)
Utilities
Varies by municipality; includes water, sewer, electricity, natural gas, broadband
Major Facilities
Gallatin County Courthouse · Bozeman Health Deaconess Hospital · Gallatin Field Airport (BZN)
Recreation
Outdoor Access
Yes
Major Recreation Areas
Yellowstone National Park · Big Sky Resort · Bridger Bowl Ski Area · Gallatin River · Gallatin County Regional Park
Parks & Trails
Gallatin County Regional Park trails · East Gallatin Recreation Area · Cherry River Trail
History
Founded
1865
Named After
Albert Gallatin, U.S. Treasury Secretary
Historical Significance
Historically significant for its role in westward expansion, agriculture, and as a gateway to Yellowstone National Park.
Key Events
Lewis and Clark Expedition passed through in 1805 · Bozeman Trail established in 1864 · Northern Pacific Railroad completed its line through Bozeman in 1883 · Montana Agricultural College held its first classes in 1893