52639
ZIP 52639 is Montrose, Iowa, in Lee County; area code 319; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Lee
- Metro area
- Fort Madison, IA
- Population
- 1,745
- Coordinates
- 40.5326, -91.4783
Weather right now
Asking the National Weather Service…
Where 52639 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 52639 into a pocket calculator and turn it upside down: GEgZS — not quite a word, sorry.
- ➕ 52639 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100110110011111 - 🏠 Its numerical neighbours: 52638 (Middletown, IA, 22 mi away) and 52640 (Morning Sun, IA, 41 mi away).
- 🔄 Backwards, 52639 becomes 93625 — and that is a real ZIP code: Fowler, CA, 1,540 miles away.
- 👥 51 other ZIP codes are made of exactly the same digits (25396, 25639, 25936, 29356, 29365, 29536, …). The farthest-flung twin is 96325 in APO AA, a military post office, 6,258 miles away.
- 🧭 Farther north than 61% of all ZIP codes, and farther west than 60%.
- 🎯378 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 52639 and you would come out at 40.53°S, 88.52°E — 1,078 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 16m.
- 📏 At 39.1 square miles of land, 52639 is bigger than 53% of ZIP codes — room for about 30 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,745This ZIP1,745 |
|---|---|
| Households | 717This ZIP717 |
| Housing units | 797This ZIP797 |
| Median age | 51.2This ZIP51.2Iowa38.6US 38.9 |
| Median household income | $68,625This ZIP$68,625Iowa$75,059US $80,734 |
| Median home value | $163,800This ZIP$163,800Iowa$208,000US $332,700 |
| Median gross rent | $800This ZIP$800Iowa$972US $1,413 |
| Bachelor's degree or higher | 10.6%This ZIP10.6% |
| Mean commute | 22.6 minThis ZIP22.6 min |
| Population density | 44.6 / sq miThis ZIP44.6 / sq mi |
Business and tax activity
| Business establishments | 18This ZIP18 |
|---|---|
| Employees | 126This ZIP126 |
| Annual payroll | $3,493,000This ZIP$3,493,000 |
| Tax returns filed | 800This ZIP800 |
| Total adjusted gross income | $49,318,000This ZIP$49,318,000 |
Land area
| Land area | 39.11 sq miThis ZIP39.11 sq mi |
|---|---|
| Water area | 3.50 sq miThis ZIP3.50 sq mi |
Other place names in 52639
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 52639
| ZIP | City | Distance |
|---|---|---|
52619 | Argyle, IA | 4.6 mi |
52632 | Keokuk, IA | 7.2 mi |
62354 | Nauvoo, IL | 7.2 mi |
52625 | Donnellson, IA | 10.2 mi |
63472 | Wayland, MO | 10.2 mi |
63430 | Alexandria, MO | 10.3 mi |
63465 | Revere, MO | 10.6 mi |
52627 | Fort Madison, IA | 10.8 mi |
62341 | Hamilton, IL | 11.6 mi |
62358 | Niota, IL | 11.9 mi |
Find every ZIP code within 10 miles of 52639 →
Questions about this ZIP code
Where is ZIP code 52639?
52639 is in Montrose, Iowa, in Lee County, part of the Fort Madison, IA micropolitan area. Its published point location is 40.5326, -91.4783.
What county is 52639 in?
52639 lies in Lee County.
What area code is 52639?
Montrose uses area code 319, from NANPA's telephone records.
What time zone is 52639 in?
52639 uses America/Chicago.
How many people live in 52639?
About 1,745 people live in ZIP code 52639, in 717 households, at 44.6 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 52639?
$68,625 a year, against $75,059 across Iowa.
What ZIP codes are near 52639?
The closest are 52619 (4.6 mi), 52632 (7.2 mi), 62354 (7.2 mi), 52625 (10.2 mi) and 63472 (10.2 mi).
Is 52639 a PO Box ZIP code?
52639 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “52639 ZIP Code — Montrose, Iowa (Lee County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52639
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/52639.json Underlying data is public domain or openly licensed — sources, vintages and licences.