Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/52644

52644

ZIP 52644 is Mount Union, Iowa, mostly in Henry County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Henry +1 more
Metro area
none
Population
394
Coordinates
41.0399, -91.4154
☼ Live from 52644 — Mount Union, IA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 52644 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 52644
  • 🔢 Type 52644 into a pocket calculator and turn it upside down: hhgZS — not quite a word, sorry.
  • ➕ As a number, 52,644 = 2 × 2 × 3 × 41 × 107. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100110110100100
  • 🏠 Its numerical neighbours: 52642 (Rome, IA, 15 mi away) and 52645 (New London, IA, 9 mi away).
  • 🔄 Backwards, 52644 becomes 44625 — and that is a real ZIP code: East Rochester, OH, 543 miles away.
  • 👥 29 other ZIP codes are made of exactly the same digits (24465, 25446, 25644, 26544, 42456, 42564, …). The farthest-flung twin is 25446 in Summit Point, WV, 721 miles away.
  • 🧭 Farther north than 67% of all ZIP codes, and farther west than 60%.
  • 🎯386 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 52644 and you would come out at 41.04°S, 88.58°E — 1,058 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 08m of daylight. Shortest: 9h 13m.
  • 📏 At 43.3 square miles of land, 52644 is bigger than 56% of ZIP codes — room for about 33 Central Parks.
🌙 The sky over 52644 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population394This ZIP394
Households158This ZIP158
Housing units172This ZIP172
Median age44.0This ZIP44.0Iowa38.6US 38.9
Median household income$77,955This ZIP$77,955Iowa$75,059US $80,734
Median home value$159,100This ZIP$159,100Iowa$208,000US $332,700
Median gross rent$618This ZIP$618Iowa$972US $1,413
Bachelor's degree or higher29.4%This ZIP29.4%
Mean commute25.2 minThis ZIP25.2 min
Population density9.1 / sq miThis ZIP9.1 / sq mi

Business and tax activity

Business establishments8This ZIP8
Employees33This ZIP33
Annual payroll$1,787,000This ZIP$1,787,000
Tax returns filed170This ZIP170
Total adjusted gross income$12,369,000This ZIP$12,369,000

Land area

Land area43.32 sq miThis ZIP43.32 sq mi
Water area0.00 sq mi

Counties 52644 spans

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

CountyShare of this ZIP
Henry County 85.1%
Des Moines County 14.9%

Other place names in 52644

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

ZIP codes near 52644

ZIPCityDistance
52659 Winfield, IA 6.5 mi
52660 Yarmouth, IA 6.8 mi
52640 Morning Sun, IA 8.2 mi
52652 Swedesburg, IA 8.3 mi
52645 New London, IA 8.8 mi
52647 Olds, IA 9.4 mi
52641 Mount Pleasant, IA 9.8 mi
52621 Crawfordsville, IA 13.2 mi
52623 Danville, IA 13.8 mi
52637 Mediapolis, IA 14.1 mi

Find every ZIP code within 10 miles of 52644 →

Questions about this ZIP code

Where is ZIP code 52644?

52644 is in Mount Union, Iowa, in Henry County. Its published point location is 41.0399, -91.4154.

What county is 52644 in?

52644 spans 2 counties: Henry County and Des Moines County. Most of it falls in Henry 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 52644?

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

What time zone is 52644 in?

52644 uses America/Chicago.

How many people live in 52644?

About 394 people live in ZIP code 52644, in 158 households, at 9.1 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 52644?

$77,955 a year, against $75,059 across Iowa.

What ZIP codes are near 52644?

The closest are 52659 (6.5 mi), 52660 (6.8 mi), 52640 (8.2 mi), 52652 (8.3 mi) and 52645 (8.8 mi).

Is 52644 a PO Box ZIP code?

52644 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “52644 ZIP Code — Mount Union, Iowa (Henry County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52644

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/52644.json

Underlying data is public domain or openly licensed — sources, vintages and licences.