Sierra County, California
Sierra 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: 3,113 (2024)
ID: 161116
|
County | Official County Government |
PO BOX 376, 100 COURTHOUSE SQ, DOWNIEVILLE CA 96124-0376
|
|
CITY OF LOYALTON
GUS Population: 712 (2024)
ID: 161283
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 128, LOYALTON CA 96118-0128
|