Blaine County, Idaho

Blaine 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
COUNTY OF BLAINE GUS Population: 25,261 (2024) ID: 162017	County	Official County Government	Contact: COUNTY ADMINISTRATOR 206 S 1ST AVE, STE 300, HAILEY ID 83333-8429
CITY OF HAILEY GUS Population: 9,976 (2024) ID: 162048	Municipal	Municipal Government Within County	Contact: MAYOR 115 S MAIN ST, STE H, HAILEY ID 83333-8408
CITY OF KETCHUM GUS Population: 3,609 (2024) ID: 124646	Municipal	Municipal Government Within County	Contact: DEPUTY TREASURER/CLERK PO BOX 2315, KETCHUM ID 83340-2315
CITY OF BELLEVUE GUS Population: 2,582 (2024) ID: 102382	Municipal	Municipal Government Within County	Contact: DEVELOPMENT SERVICES DIRECTOR PO BOX 825, BELLEVUE ID 83313-0825
CITY OF SUN VALLEY GUS Population: 1,771 (2024) ID: 207750	Municipal	Municipal Government Within County	Contact: TREASURER PO BOX 416, SUN VALLEY ID 83353-0416
CITY OF CAREY GUS Population: 703 (2024) ID: 162049	Municipal	Municipal Government Within County	Contact: CITY CLERK/TREASURER PO BOX 9, CAREY ID 83320