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Missoula County, Montana

Missoula County profile, demographic data, and geographic information.

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 122,546 (2024)
ID: 169422
County Official County Government
Contact: CHIEF FINANCIAL OFFICER
200 W BROADWAY ST, MISSOULA MT 59802-4292
GUS Population: 78,204 (2024)
ID: 169464
Municipal Municipal Government Within County
Contact: ADMIN SERVICES / PROJECT MANAGER
435 RYMAN ST, MISSOULA MT 59802-4207