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.