ZIP code · Columbus Junction · Iowa · United States
ZIP code 52738 — Columbus Junction
ZIP code 52738 serves Columbus Junction, Iowa.
- Postal code
- 52738Single source Value from one source, not cross-checked.
- County
- Louisa FIPS 19115
- State
- Iowa
- Country
- United States
- Coordinates
- 41.2926, -91.3006 — precision precise (locality)
View on OpenStreetMap - Population
- 3,389 (ZCTA, ACS 5-year)
- Population density
- 28 / sq mi
- Land area
- 122.5 sq mi (317.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $83,953
- Per-capita income
- $33,680
- Median age
- 37.8
- Households
- 1,169
- Housing units
- 1,387
- Median home value
- $135,900
- Median gross rent
- $635 / month
- Congressional district
- IA-1 (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 319Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 52738 with another ZIP · ZIPs within 25 miles · distance from 52738
Map of ZIP code 52738
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 11°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 34 | 48 | 62 | 72 | 80 | 84 | 82 | 76 | 63 | 48 | 35 |
| Avg low °F | 11 | 14 | 26 | 38 | 50 | 59 | 63 | 61 | 52 | 40 | 27 | 17 |
| Precip in | 1.2 | 1.9 | 2.3 | 3.9 | 5.4 | 4.9 | 4.1 | 4.2 | 3.8 | 3.0 | 2.2 | 1.9 |
NOAA 1991–2020 climate normals from the nearest station: COLUMBUS JUNCTION (3.2 mi) · NOAA NCEI
Places in ZIP 52738
- 1 schools
- 1 doctors & dentists
- 1 pharmacies
- 1 restaurants & cafés
- 3 parks
- 2 playgrounds
- 2 gyms & sports centres
- 1 libraries
- 1 post offices
- 12 places of worship
- 1 banks
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page