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Stillwater County, Montana

Stillwater 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: 9,450 (2024)
ID: 169428
County Official County Government
Contact: FINANCE AND HUMAN RESOURCE SPECIALIS
PO BOX 795, 400 E 3RD AVE N, COLUMBUS MT 59019
GUS Population: 1,966 (2024)
ID: 208678
Municipal Municipal Government Within County
Contact: CLERK TREASURER
PO BOX 549, COLUMBUS MT 59019-0549