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zipcodes.pro — ZIP/52638

52638

ZIP 52638 is Middletown, Iowa, in Des Moines County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Des Moines
Metro area
Burlington, IA-IL
Population
508
Coordinates
40.8015, -91.2423
☼ Live from 52638 — Middletown, IA

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Local time: —

Where 52638 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 52638
  • 🔢 Type 52638 into a pocket calculator and turn it upside down: BEgZS — not quite a word, sorry.
  • ➕ As a number, 52,638 = 2 × 3 × 31 × 283. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100110110011110
  • 🏠 Its numerical neighbours: 52637 (Mediapolis, IA, 16 mi away) and 52639 (Montrose, IA, 22 mi away).
  • 🔄 Backwards, 52638 becomes 83625, which is not a ZIP code at all.
  • 👥 51 other ZIP codes are made of exactly the same digits (23856, 25638, 25836, 26385, 28356, 28365, …). The farthest-flung twin is 83526 in Ferdinand, ID, 1,309 miles away.
  • 🧭 Farther north than 65% of all ZIP codes, and farther west than 59%.
  • 🎯392 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 52638 and you would come out at 40.80°S, 88.76°E — 1,076 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 14m.
  • 📏 At 33.8 square miles of land, 52638 is bigger than 49% of ZIP codes — room for about 26 Central Parks.
🌙 The sky over 52638 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population508This ZIP508
Households188This ZIP188
Housing units262This ZIP262
Median age37.2This ZIP37.2Iowa38.6US 38.9
Median household income$59,167This ZIP$59,167Iowa$75,059US $80,734
Median home value$155,500This ZIP$155,500Iowa$208,000US $332,700
Median gross rent$780This ZIP$780Iowa$972US $1,413
Bachelor's degree or higher12.8%This ZIP12.8%
Mean commute19.5 minThis ZIP19.5 min
Population density15.0 / sq miThis ZIP15.0 / sq mi

Business and tax activity

Business establishments7This ZIP7
Employees719This ZIP719
Annual payroll$48,519,000This ZIP$48,519,000
Tax returns filed260This ZIP260
Total adjusted gross income$16,406,000This ZIP$16,406,000

Land area

Land area33.81 sq miThis ZIP33.81 sq mi
Water area0.18 sq miThis ZIP0.18 sq mi

Other place names in 52638

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

ZIP codes near 52638

ZIPCityDistance
52655 West Burlington, IA 3.5 mi
52623 Danville, IA 6.0 mi
52624 Denmark, IA 6.7 mi
52601 Burlington, IA 7.0 mi
52658 Wever, IA 7.1 mi
61425 Carman, IL 11.0 mi
52650 Sperry, IA 11.4 mi
52645 New London, IA 11.4 mi
52627 Fort Madison, IA 11.6 mi
52656 West Point, IA 11.9 mi

Find every ZIP code within 10 miles of 52638 →

Questions about this ZIP code

Where is ZIP code 52638?

52638 is in Middletown, Iowa, in Des Moines County, part of the Burlington, IA-IL micropolitan area. Its published point location is 40.8015, -91.2423.

What county is 52638 in?

52638 lies in Des Moines County.

What area code is 52638?

Middletown uses area code 319, from NANPA's telephone records.

What time zone is 52638 in?

52638 uses America/Chicago.

How many people live in 52638?

About 508 people live in ZIP code 52638, in 188 households, at 15.0 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 52638?

$59,167 a year, against $75,059 across Iowa.

What ZIP codes are near 52638?

The closest are 52655 (3.5 mi), 52623 (6 mi), 52624 (6.7 mi), 52601 (7 mi) and 52658 (7.1 mi).

Is 52638 a PO Box ZIP code?

52638 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “52638 ZIP Code — Middletown, Iowa (Des Moines County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52638

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