52738
ZIP 52738 is Columbus Junction, Iowa, mostly in Louisa County; area code 319; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Louisa +1 more
- Metro area
- none
- Population
- 3,398
- Coordinates
- 41.2736, -91.3779
Weather right now
Asking the National Weather Service…
Where 52738 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 52738 into a pocket calculator and turn it upside down: BELZS — not quite a word, sorry.
- ➕ As a number, 52,738 = 2 × 7 × 3767. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100111000000010 - 🏠 Its numerical neighbours: 52737 (Columbus City, IA, 1 mi away) and 52739 (Conesville, IA, 7 mi away).
- 🔄 Backwards, 52738 becomes 83725 — and that is a real ZIP code: Boise, ID, 1,271 miles away.
- 👥 57 other ZIP codes are made of exactly the same digits (23857, 23875, 25387, 25837, 25873, 27358, …). The farthest-flung twin is 83725 in Boise, ID, 1,271 miles away.
- 🧭 Farther north than 69% of all ZIP codes, and farther west than 60%.
- 🎯391 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 52738 and you would come out at 41.27°S, 88.62°E — 1,050 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 09m of daylight. Shortest: 9h 11m.
- 📏 At 122.5 square miles of land, 52738 is bigger than 82% of ZIP codes — room for about 93 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,398This ZIP3,398 |
|---|---|
| Households | 1,160This ZIP1,160 |
| Housing units | 1,343This ZIP1,343 |
| Median age | 36.6This ZIP36.6Iowa38.6US 38.9 |
| Median household income | $80,385This ZIP$80,385Iowa$75,059US $80,734 |
| Median home value | $145,700This ZIP$145,700Iowa$208,000US $332,700 |
| Median gross rent | $643This ZIP$643Iowa$972US $1,413 |
| Bachelor's degree or higher | 22.2%This ZIP22.2% |
| Mean commute | 27.7 minThis ZIP27.7 min |
| Population density | 27.7 / sq miThis ZIP27.7 / sq mi |
Business and tax activity
| Business establishments | 71This ZIP71 |
|---|---|
| Employees | 1,908This ZIP1,908 |
| Annual payroll | $100,645,000This ZIP$100,645,000 |
| Tax returns filed | 1,490This ZIP1,490 |
| Total adjusted gross income | $100,179,000This ZIP$100,179,000 |
Land area
| Land area | 122.54 sq miThis ZIP122.54 sq mi |
|---|---|
| Water area | 1.82 sq miThis ZIP1.82 sq mi |
Counties 52738 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Louisa County | 97.3% |
| Washington County | 2.7% |
Other place names in 52738
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 52738
| ZIP | City | Distance |
|---|---|---|
52737 | Columbus City, IA | 1.0 mi |
52739 | Conesville, IA | 6.9 mi |
52754 | Letts, IA | 8.4 mi |
52621 | Crawfordsville, IA | 9.3 mi |
52201 | Ainsworth, IA | 9.6 mi |
52752 | Grandview, IA | 9.7 mi |
52659 | Winfield, IA | 10.2 mi |
52640 | Morning Sun, IA | 12.9 mi |
52647 | Olds, IA | 13.0 mi |
52749 | Fruitland, IA | 13.8 mi |
Find every ZIP code within 10 miles of 52738 →
Questions about this ZIP code
Where is ZIP code 52738?
52738 is in Columbus Junction, Iowa, in Louisa County. Its published point location is 41.2736, -91.3779.
What county is 52738 in?
52738 spans 2 counties: Louisa County and Washington County. Most of it falls in Louisa County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 52738?
Columbus Junction uses area code 319, from NANPA's telephone records.
What time zone is 52738 in?
52738 uses America/Chicago.
How many people live in 52738?
About 3,398 people live in ZIP code 52738, in 1,160 households, at 27.7 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 52738?
$80,385 a year, against $75,059 across Iowa.
What ZIP codes are near 52738?
The closest are 52737 (1 mi), 52739 (6.9 mi), 52754 (8.4 mi), 52621 (9.3 mi) and 52201 (9.6 mi).
Is 52738 a PO Box ZIP code?
52738 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “52738 ZIP Code — Columbus Junction, Iowa (Louisa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52738
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/52738.json Underlying data is public domain or openly licensed — sources, vintages and licences.