Iowa County, Iowa

Iowa 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 IOWA GUS Population: 16,423 (2024) ID: 164254	County	Official County Government	Contact: CHAIRMAN 970 COURT AVE, MARENGO IA 52301
CITY OF WILLIAMSBURG GUS Population: 3,380 (2024) ID: 104407	Municipal	Municipal Government Within County	Contact: CITY CLERK/TREASURER PO BOX 596, WILLIAMSBURG IA 52361-0596
CITY OF MARENGO GUS Population: 2,415 (2024) ID: 211250	Municipal	Municipal Government Within County	Contact: FINANCIAL MANAGER PO BOX 245, 153 E MAIN ST, MARENGO IA 52301-0245
CITY OF NORTH ENGLISH GUS Population: 1,030 (2024) ID: 126641	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 220, NORTH ENGLISH IA 52316-0220
CITY OF VICTOR GUS Population: 852 (2024) ID: 164437	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX R, VICTOR IA 52347-0917
CITY OF LADORA GUS Population: 223 (2024) ID: 164436	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 169, LADORA IA 52251-0169
CITY OF PARNELL GUS Population: 190 (2024) ID: 208026	Municipal	Municipal Government Within County	Contact: COUNCIL MEMBER KRAKOW PO BOX 15, PARNELL IA 52325-0174
CITY OF MILLERSBURG GUS Population: 135 (2024) ID: 212012	Municipal	Municipal Government Within County	Contact: MAYOR 461 WASHINGTON ST, MILLERSBURG IA 52308-7701