Gallatin County

Gallatin County covers a mountainous area in southwestern Montana with distinct mountain ranges framing its landscape from north to south. The region includes valleys and river systems, stretching from Bozeman in the west toward the gateway communities leading to Yellowstone National Park in the south.

The county was established in 1864 and named after Albert Gallatin, the US Treasury Secretary who played a key role in organizing the Lewis and Clark Expedition. This expedition proved instrumental in opening up the western territories to exploration and eventual settlement.

Montana State University in Bozeman shapes the educational landscape of the county, contributing to scientific research and academic advancement in the region.

Bozeman, the county seat, connects easily to neighboring areas via Interstate 90 for exploring the wider region. West Yellowstone to the south functions as a main gateway to Yellowstone National Park with practical services for travelers.

The area was once an economic hub for fur trading and mining before later transforming into an education and tourism destination. This shift is visible today through the blend of natural landscapes and modern universities that shape the region.

Location: Montana

Inception: 1864

Capital city: Bozeman

Shares border with: Broadwater County, Fremont County, Meagher County, Jefferson County, Madison County, Park County, Park County, Teton County

Website: http://gallatin.mt.gov

GPS coordinates: 45.56000,-111.17000

Latest update: December 14, 2025 20:26