Harrison County, Iowa

Harrison 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 HARRISON GUS Population: 14,626 (2024) ID: 164252	County	Official County Government	Contact: CHAIRMAN 111 N 2ND AVE, LOGAN IA 51546-1370
CITY OF MISSOURI VALLEY GUS Population: 2,638 (2024) ID: 185389	Municipal	Municipal Government Within County	Contact: CITY CLERK/ADMINISTRATOR 223 E ERIE ST, MISSOURI VALLEY IA 51555-1532
CITY OF WOODBINE GUS Population: 1,707 (2024) ID: 164426	Municipal	Municipal Government Within County	Contact: CITY ADMINISTRATOR PO BOX 112, WOODBINE IA 51579-0112
CITY OF LOGAN GUS Population: 1,351 (2024) ID: 208021	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 127, LOGAN IA 51546-0127
CITY OF DUNLAP GUS Population: 1,030 (2024) ID: 201762	Municipal	Municipal Government Within County	Contact: MAYOR 716 IOWA AVE, DUNLAP IA 51529-1336
CITY OF MONDAMIN GUS Population: 335 (2024) ID: 126633	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 196, MONDAMIN IA 51557-0196
CITY OF PERSIA GUS Population: 292 (2024) ID: 164425	Municipal	Municipal Government Within County	Contact: CITY CLERK PO BOX 241, PERSIA IA 51563-0241
CITY OF MODALE GUS Population: 284 (2024) ID: 164424	Municipal	Municipal Government Within County	Contact: MAYOR PO BOX 8, MODALE IA 51556-0008
CITY OF PISGAH GUS Population: 248 (2024) ID: 208022	Municipal	Municipal Government Within County	Contact: MAYOR PRO TEM PO BOX 217, 106 E MAIN ST, PISGAH IA 51564-0217
CITY OF MAGNOLIA GUS Population: 194 (2024) ID: 126632	Municipal	Municipal Government Within County	Contact: MAYOR 380 MAGNOLIA ST, MAGNOLIA IA 51550-4025
CITY OF LITTLE SIOUX GUS Population: 170 (2024) ID: 164423	Municipal	Municipal Government Within County	Contact: CITY CLERK 407 1ST ST, LITTLE SIOUX IA 51545-3036