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zipcodes.pro — ZIP/52561

52561

ZIP 52561 is Fremont, Iowa, mostly in Mahaska County; area code 641; Central time.

Type
Standard
Time zone
America/Chicago
County
Mahaska +1 more
Metro area
Oskaloosa, IA
Population
1,112
Coordinates
41.2203, -92.4523
☼ Live from 52561 — Fremont, IA

Weather right now

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Local time: —

Where 52561 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.

★ Weird and wonderful facts about 52561
  • 🔢 Type 52561 into a pocket calculator and turn it upside down: IgSZS — not quite a word, sorry.
  • ➕ 52561 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100110101010001
  • 🏠 Its numerical neighbours: 52560 (Floris, IA, 27 mi away) and 52562 (Hayesville, IA, 11 mi away).
  • 🔄 Backwards, 52561 becomes 16525, which is not a ZIP code at all.
  • 👥 30 other ZIP codes are made of exactly the same digits (12565, 15265, 15562, 15625, 16255, 21556, …). The farthest-flung twin is 12565 in Philmont, NY, 970 miles away.
  • 🧭 Farther north than 69% of all ZIP codes, and farther west than 62%.
  • 🎯336 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 52561 and you would come out at 41.22°S, 87.55°E — 1,009 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 37.3 square miles of land, 52561 is bigger than 51% of ZIP codes — room for about 28 Central Parks.
🌙 The sky over 52561 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,112This ZIP1,112
Households357This ZIP357
Housing units404This ZIP404
Median age28.5This ZIP28.5Iowa38.6US 38.9
Median household income$76,058This ZIP$76,058Iowa$75,059US $80,734
Median home value$123,200This ZIP$123,200Iowa$208,000US $332,700
Median gross rent$778This ZIP$778Iowa$972US $1,413
Bachelor's degree or higher9.7%This ZIP9.7%
Mean commute26.1 minThis ZIP26.1 min
Population density29.8 / sq miThis ZIP29.8 / sq mi

Business and tax activity

Business establishments21This ZIP21
Employees199This ZIP199
Annual payroll$12,125,000This ZIP$12,125,000
Tax returns filed410This ZIP410
Total adjusted gross income$24,861,000This ZIP$24,861,000

Land area

Land area37.29 sq miThis ZIP37.29 sq mi
Water area0.04 sq miThis ZIP0.04 sq mi

Counties 52561 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Mahaska County 83.7%
Keokuk County 16.3%

Other place names in 52561

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 52561

ZIPCityDistance
52543 Cedar, IA 3.4 mi
52566 Kirkville, IA 6.9 mi
52550 Delta, IA 8.1 mi
52586 Rose Hill, IA 8.6 mi
52563 Hedrick, IA 9.6 mi
52595 University Park, IA 9.7 mi
52548 Chillicothe, IA 10.2 mi
52568 Martinsburg, IA 10.9 mi
52562 Hayesville, IA 11.0 mi
52577 Oskaloosa, IA 11.5 mi

Find every ZIP code within 10 miles of 52561 →

Questions about this ZIP code

Where is ZIP code 52561?

52561 is in Fremont, Iowa, in Mahaska County, part of the Oskaloosa, IA micropolitan area. Its published point location is 41.2203, -92.4523.

What county is 52561 in?

52561 spans 2 counties: Mahaska County and Keokuk County. Most of it falls in Mahaska 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 52561?

Fremont uses area code 641, from NANPA's telephone records.

What time zone is 52561 in?

52561 uses America/Chicago.

How many people live in 52561?

About 1,112 people live in ZIP code 52561, in 357 households, at 29.8 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 52561?

$76,058 a year, against $75,059 across Iowa.

What ZIP codes are near 52561?

The closest are 52543 (3.4 mi), 52566 (6.9 mi), 52550 (8.1 mi), 52586 (8.6 mi) and 52563 (9.6 mi).

Is 52561 a PO Box ZIP code?

52561 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “52561 ZIP Code — Fremont, Iowa (Mahaska County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52561

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/52561.json

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