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Harrison County, Iowa Zip Codes
Zip Code
City
Population
51555
Missouri Valley
4,858
51546
Logan
3,067
51579
Woodbine
2,116
51529
Dunlap
1,992
51557
Mondamin
834
51563
Persia
737
51564
Pisgah
479
51556
Modale
359
51545
Little Sioux
271
51550
Magnolia
137
Population is the most recent figure from the U.S. Census Bureau's 2022
American Community Survey (ACS) 5-Year Estimates
.