Allamakee County, Iowa

Allamakee 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 ALLAMAKEE GUS Population: 14,184 (2024) ID: 164234	County	Official County Government	Contact: BOARD OF SUPERVISORS 110 ALLAMAKEE ST, WAUKON IA 52172-1744
CITY OF WAUKON GUS Population: 3,799 (2024) ID: 193304	Municipal	Municipal Government Within County	Contact: MAYOR 101 ALLAMAKEE ST, WAUKON IA 52172-1797
CITY OF POSTVILLE GUS Population: 2,418 (2024) ID: 204455	Municipal	Municipal Government Within County	Contact: POSTVILLE CITY CLERK/ADMINISTRATOR PO BOX 242, POSTVILLE IA 52162-0242
CITY OF LANSING GUS Population: 959 (2024) ID: 104332	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 470, LANSING IA 52151-0470
CITY OF NEW ALBIN GUS Population: 435 (2024) ID: 164283	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 14, NEW ALBIN IA 52160-0014
CITY OF HARPERS FERRY GUS Population: 273 (2024) ID: 126558	Municipal	Municipal Government Within County	Contact: CITY CLERK TREASURER PO BOX 250, HARPERS FERRY IA 52146-0250
CITY OF WATERVILLE GUS Population: 112 (2024) ID: 104333	Municipal	Municipal Government Within County	Contact: MAYOR 82 MAIN STREET, UNIT 2, WATERVILLE IA 52170