Lake County, Montana
Lake 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: 33,403 (2024)
ID: 204864
|
County | Official County Government |
Contact: COMMISSIONER
106 4TH AVE E, POLSON MT 59860-2133
|
|
CITY OF POLSON
GUS Population: 5,631 (2024)
ID: 169454
|
Municipal | Municipal Government Within County |
Contact: MAYOR
106 1ST ST E, POLSON MT 59860-2137
|
|
CITY OF RONAN
GUS Population: 2,182 (2024)
ID: 169455
|
Municipal | Municipal Government Within County |
Contact: MAYOR
207 MAIN ST SW, STE A, RONAN MT 59864-2721
|
|
TOWN OF ST IGNATIUS
GUS Population: 830 (2024)
ID: 190756
|
Municipal | Municipal Government Within County |
Contact: CLERK TREAS CLERK OF COURT
PO BOX 103, ST IGNATIUS MT 59865-0103
|