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Plymouth County, Iowa

Plymouth 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 PLYMOUTH
GUS Population: 25,825 (2024)
ID: 126552
County Official County Government
Contact: COUNTY AUDITOR
215 4TH AVE SE, LE MARS IA 51031-2153
GUS Population: 10,674 (2024)
ID: 208053
Municipal Municipal Government Within County
Contact: MAYOR
40 CENTRAL AVE SE, LE MARS IA 51031
CITY OF REMSEN
GUS Population: 1,681 (2024)
ID: 164529
Municipal Municipal Government Within County
Contact: MAYOR
PO BOX 510, REMSEN IA 51050-0510
GUS Population: 1,545 (2024)
ID: 126687
Municipal Municipal Government Within County
Contact: CITY CLERK & FINANCE OFFICER
PO BOX 318, AKRON IA 51001-0318
GUS Population: 1,394 (2024)
ID: 126688
Municipal Municipal Government Within County
Contact: CITY CLERK
PO BOX 309, KINGSLEY IA 51028-0309
GUS Population: 959 (2024)
ID: 104450
Municipal Municipal Government Within County
Contact: CITY CLERK
PO BOX 1023, HINTON IA 51024-1023
CITY OF MERRILL
GUS Population: 713 (2024)
ID: 138234
Municipal Municipal Government Within County
Contact: CITY CLERK
608 MAIN ST, MERRILL IA 51038
CITY OF BRUNSVILLE
GUS Population: 128 (2024)
ID: 208052
Municipal Municipal Government Within County
Contact: CITY CLERK
405 PINE ST, BRUNSVILLE IA 51008
GUS Population: 121 (2024)
ID: 104452
Municipal Municipal Government Within County
Contact: CITY CLERK
PO BOX 5, WESTFIELD IA 51062-0005
CITY OF OYENS
GUS Population: 88 (2024)
ID: 126689
Municipal Municipal Government Within County
Contact: MAYOR
PO BOX 598, OYENS IA 51045-0598
CITY OF CRAIG
GUS Population: 78 (2024)
ID: 164528
Municipal Municipal Government Within County
Contact: MAYOR
725 MAIN ST, LE MARS IA 51031-8792
CITY OF STRUBLE
GUS Population: 72 (2024)
ID: 164530
Municipal Municipal Government Within County
Contact: CITY CLERK
210 WILLIAMS ST, LE MARS IA 51031-1025