Clay County, Iowa

Clay 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 CLAY GUS Population: 16,474 (2024) ID: 193300	County	Official County Government	Contact: DEPUTY AUDITOR 300 W 4TH ST, STE 4, SPENCER IA 51301-3806
CITY OF SPENCER GUS Population: 11,418 (2024) ID: 208001	Municipal	Municipal Government Within County	Contact: MAYOR 418 2ND AVE W, SPENCER IA 51301-3875
CITY OF EVERLY GUS Population: 570 (2024) ID: 185382	Municipal	Municipal Government Within County	Contact: CITY CLERK/FINANCE OFFICER PO BOX 197, EVERLY IA 51338-0197
CITY OF ROYAL GUS Population: 379 (2024) ID: 104365	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 225, ROYAL IA 51357-0225
CITY OF PETERSON GUS Population: 321 (2024) ID: 164341	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 247, PETERSON IA 51047-0247
CITY OF FOSTORIA GUS Population: 229 (2024) ID: 138204	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 37, FOSTORIA IA 51340-0037
CITY OF DICKENS GUS Population: 146 (2024) ID: 126590	Municipal	Municipal Government Within County	Contact: CLERK PO BOX 120, DICKENS IA 51333-0120
CITY OF WEBB GUS Population: 139 (2024) ID: 164342	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 9, WEBB IA 51366-0009
CITY OF GREENVILLE GUS Population: 69 (2024) ID: 164340	Municipal	Municipal Government Within County	Contact: MAYOR 1205 BROADWAY AVE, GREENVILLE IA 51343-8053
CITY OF ROSSIE GUS Population: 46 (2024) ID: 126591	Municipal	Municipal Government Within County	Contact: MAYOR 120 WILLOW LN, ROSSIE IA 51357-7609
CITY OF GILLETT GROVE GUS Population: 31 (2024) ID: 126592	Municipal	Municipal Government Within County	Contact: MAYOR 221 RAILWAY ST, GILLETT GROVE IA 51341