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Where 52540 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 52540 into a pocket calculator and turn it upside down: OhSZS — not quite a word, sorry.
- ➕ As a number, 52,540 = 2 × 2 × 5 × 37 × 71. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100110100111100 - 🏠 Its numerical neighbours: 52537 (Bloomfield, IA, 42 mi away) and 52542 (Cantril, IA, 39 mi away).
- 🔄 Backwards, 52540 becomes 04525, which is not a ZIP code at all.
- 👥 34 other ZIP codes are made of exactly the same digits (02455, 02554, 04255, 05254, 05452, 20554, …). The farthest-flung twin is 02554 in Nantucket, MA, 1,126 miles away.
- 🧭 Farther north than 68% of all ZIP codes, and farther west than 60%.
- 🎯367 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 52540 and you would come out at 41.16°S, 88.18°E — 1,037 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 12m.
- 📏 At 96.1 square miles of land, 52540 is bigger than 77% of ZIP codes — room for about 73 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,088This ZIP1,088 |
|---|---|
| Households | 472This ZIP472 |
| Housing units | 481This ZIP481 |
| Median age | 49.4This ZIP49.4Iowa38.6US 38.9 |
| Median household income | $55,000This ZIP$55,000Iowa$75,059US $80,734 |
| Median home value | $115,300This ZIP$115,300Iowa$208,000US $332,700 |
| Median gross rent | $681This ZIP$681Iowa$972US $1,413 |
| Bachelor's degree or higher | 20.8%This ZIP20.8% |
| Mean commute | 33.2 minThis ZIP33.2 min |
| Population density | 11.3 / sq miThis ZIP11.3 / sq mi |
Business and tax activity
| Business establishments | 19This ZIP19 |
|---|---|
| Employees | 103This ZIP103 |
| Annual payroll | $3,777,000This ZIP$3,777,000 |
| Tax returns filed | 610This ZIP610 |
| Total adjusted gross income | $37,492,000This ZIP$37,492,000 |
Land area
| Land area | 96.12 sq miThis ZIP96.12 sq mi |
|---|---|
| Water area | 1.76 sq miThis ZIP1.76 sq mi |
Counties 52540 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Jefferson County | 53.5% |
| Washington County | 46.5% |
Other place names in 52540
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 52540
| ZIP | City | Distance |
|---|---|---|
52654 | Wayland, IA | 7.9 mi |
52585 | Richland, IA | 8.8 mi |
52556 | Fairfield, IA | 10.7 mi |
52353 | Washington, IA | 11.3 mi |
52635 | Lockridge, IA | 11.9 mi |
52557 | Fairfield, IA | 12.0 mi |
52359 | West Chester, IA | 13.7 mi |
52642 | Rome, IA | 14.1 mi |
52248 | Keota, IA | 14.3 mi |
52580 | Packwood, IA | 14.4 mi |
Find every ZIP code within 10 miles of 52540 →
Questions about this ZIP code
Where is ZIP code 52540?
52540 is in Brighton, Iowa, in Jefferson County. Its published point location is 41.1568, -91.8230.
What county is 52540 in?
52540 spans 2 counties: Jefferson County and Washington County. Most of it falls in Jefferson 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 52540?
Brighton uses area code 319, from NANPA's telephone records.
What time zone is 52540 in?
52540 uses America/Chicago.
How many people live in 52540?
About 1,088 people live in ZIP code 52540, in 472 households, at 11.3 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 52540?
$55,000 a year, against $75,059 across Iowa.
What ZIP codes are near 52540?
The closest are 52654 (7.9 mi), 52585 (8.8 mi), 52556 (10.7 mi), 52353 (11.3 mi) and 52635 (11.9 mi).
Is 52540 a PO Box ZIP code?
52540 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “52540 ZIP Code — Brighton, Iowa (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52540
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/52540.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.