Harrison County, IA ZIP codes
Harrison County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Harrison County ZIP codes
The ZIP codes of Harrison County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Harrison County in numbers
About 14,632 people live in Harrison County, in 6,089 households, the 52nd most populous of Iowa's 99 counties. The median household income is $79,535 a year, 6% above the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $176,000 (15% below the Iowa median), and median gross rent is $849 a month. The median age is 42.1; 22.0% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 26 minutes.
| Population | 14,632 |
|---|---|
| Households | 6,089 |
| Median age | 42.1 |
| Median household income | $79,535 |
| Median home value | $176,000 |
| Median gross rent | $849 |
| Bachelor's degree or higher | 22.0% |
| Mean commute | 26.2 min |
| Population density | 21 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Harrison County
| Town | ZIP codes | Population |
|---|---|---|
| Missouri Valley | 1 | 2,666 |
| Woodbine | 1 | 1,471 |
| Logan | 1 | 1,392 |
| Dunlap | 1 | 1,170 |
| Mondamin | 1 | 403 |
| Persia | 1 | 294 |
| Pisgah | 1 | 255 |
| Modale | 1 | 181 |
| Magnolia | 1 | 180 |
| Little Sioux | 1 | 129 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Harrison County.
Not sure you are in Harrison County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Harrison County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
51529 | Dunlap , IA | Standard | 1,732 | $61,599 | $156,800 |
51545 | Little Sioux , IA | Standard | 267 | $70,313 | $80,000 |
51546 | Logan , IA | Standard | 3,114 | $86,910 | $207,900 |
51550 | Magnolia , IA | Standard | 169 | $77,500 | $105,500 |
51555 | Missouri Valley , IA | Standard | 4,952 | $85,273 | $188,700 |
51556 | Modale , IA | Standard | 266 | $60,556 | $139,600 |
51557 | Mondamin , IA | Standard | 828 | $76,250 | $161,000 |
51563 | Persia , IA | Standard | 629 | $69,297 | $209,400 |
51564 | Pisgah , IA | Standard | 520 | $78,750 | $105,400 |
51579 | Woodbine , IA | Standard | 2,282 | $72,500 | $204,400 |
Cite this page
zipcodes.pro. “Harrison County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ia/county/harrison
Underlying data is public domain or openly licensed — sources, vintages and licences.