Columbus Junction ZIP code, Iowa
The ZIP code for Columbus Junction, IA is 52738, and its area code is 319.
- USPS city name
- 1 ZIP code
- Population
- 2,110
- Area code
- 319
- County
- Louisa County
- State
- Iowa
Columbus Junction in numbers
About 2,110 people live in Columbus Junction, in 699 households. The median household income is $63,828 a year, 15% below the Iowa median of $75,059 (US: $80,734). The median owner-occupied home is valued at $125,800 (40% below the Iowa median), and median gross rent is $623 a month. The median age is 33.0; 17.9% of adults 25 and over hold a bachelor's degree or higher (31.4% across Iowa); the average commute takes 29 minutes.
| Population | 2,110 |
|---|---|
| Households | 699 |
| Median age | 33.0 |
| Median household income | $63,828 |
| Median home value | $125,800 |
| Median gross rent | $623 |
| Bachelor's degree or higher | 17.9% |
| Mean commute | 28.8 min |
| Population density | 983 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Columbus Junction city. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Columbus Junction
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
52738 | Columbus Junction , IA | Standard | 3,398 | $80,385 | $145,700 |
Map of Columbus Junction ZIP codes
The ZIP codes of Columbus Junction, IA, 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.
Towns near Columbus Junction
The nearest larger towns are Washington (7,290 people, 17 mi), Muscatine (23,489 people, 18 mi) and West Liberty (3,776 people, 21 mi).
| Town | Population | Distance |
|---|---|---|
| Washington | 7,290 | 17.2 mi |
| Muscatine | 23,489 | 18.2 mi |
| West Liberty | 3,776 | 21.0 mi |
| Kalona | 2,692 | 22.7 mi |
| Mount Pleasant | 8,951 | 23.9 mi |
| West Branch | 2,594 | 26.8 mi |
| Iowa City | 75,752 | 27.4 mi |
| Wilton | 2,920 | 27.7 mi |
More nearby: every ZIP code in Louisa County · Iowa ZIP codes
Cite this page
zipcodes.pro. “Columbus Junction, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/columbus-junction
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