Skip to main content

Sanders County, Montana

Sanders 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: 13,895 (2024)
ID: 212754
County Official County Government
Contact: RURAL ADDRESSSING
PO BOX 519, THOMPSON FALLS MT 59873-0519
GUS Population: 1,526 (2024)
ID: 108123
Municipal Municipal Government Within County
Contact: MAYOR
PO BOX 99, THOMPSON FALLS MT 59873-0099
TOWN OF PLAINS
GUS Population: 1,244 (2024)
ID: 130018
Municipal Municipal Government Within County
Contact: MAYOR
PO BOX 567, PLAINS MT 59859-0567
GUS Population: 623 (2024)
ID: 208676
Municipal Municipal Government Within County
Contact: MAYOR
PO BOX 669, HOT SPRINGS MT 59845-0669