Osceola County, Iowa

Osceola 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 OSCEOLA GUS Population: 6,036 (2024) ID: 138187	County	Official County Government	Contact: AUDITOR 300 7TH ST, STE 6, SIBLEY IA 51249-1648
CITY OF SIBLEY GUS Population: 2,787 (2024) ID: 164520	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 126, SIBLEY IA 51249-0126
CITY OF ASHTON GUS Population: 434 (2024) ID: 208047	Municipal	Municipal Government Within County	Contact: CITY CLERK 2191 NETTLE AVE, ASHTON IA 51232-7042
CITY OF OCHEYEDAN GUS Population: 424 (2024) ID: 138232	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 129, OCHEYEDAN IA 51354-0129
CITY OF MELVIN GUS Population: 196 (2024) ID: 126683	Municipal	Municipal Government Within County	Contact: MAYOR 260 MAIN ST, MELVIN IA 51350-1006
CITY OF HARRIS GUS Population: 145 (2024) ID: 138231	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 135, HARRIS IA 51345-0135