Franklin County, Idaho

Franklin 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 FRANKLIN GUS Population: 15,638 (2024) ID: 162022	County	Official County Government	Contact: FRANKLIN CO CLERK 39 W ONEIDA ST, PRESTON ID 83263-1232
CITY OF PRESTON GUS Population: 6,160 (2024) ID: 162075	Municipal	Municipal Government Within County	Contact: MAYOR 70 W ONEIDA ST, PRESTON ID 83263-1233
CITY OF FRANKLIN GUS Population: 1,128 (2024) ID: 124658	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 69, FRANKLIN ID 83237-0069
CITY OF WESTON GUS Population: 572 (2024) ID: 207753	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 68, WESTON ID 83286-0068
CITY OF DAYTON GUS Population: 539 (2024) ID: 102391	Municipal	Municipal Government Within County	Contact: CLERK/TREASURER PO BOX 12, DAYTON ID 83232-0012
CITY OF CLIFTON GUS Population: 461 (2024) ID: 162073	Municipal	Municipal Government Within County	Contact: CLERK PO BOX 37, CLIFTON ID 83228-0037
CITY OF OXFORD GUS Population: 43 (2024) ID: 162074	Municipal	Municipal Government Within County	Contact: MAYOR 8955 N WESTSIDE HWY, CLIFTON ID 83228-5032