Census place · GEOID 1915420 · Louisa County
Columbus Junction, IA ZIP codes
1 ZIP/ZCTA intersecting this Census place in Louisa County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Columbus Junction (GEOID 1915420). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 3,389 (1 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Columbus Junction, IA

ZIP/ZCTA overlap with Columbus Junction
Population overlap
Share of each ZIP/ZCTA’s population located within Columbus Junction, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- 5273853.8%
USPS primary city
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Columbus Junction
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 52738 | Columbus Junction | Louisa County | 3,389 | $83,953 |