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zipcodes.pro — ZIP/52140

52140

ZIP 52140 is Dorchester, Iowa, mostly in Allamakee County; area code 563; Central time.

Type
Standard
Time zone
America/Chicago
County
Allamakee +1 more
Metro area
none
Population
671
Coordinates
43.4456, -91.5346
☼ Live from 52140 — Dorchester, IA

Weather right now

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Local time: —

Where 52140 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 52140
  • 🔢 Type 52140 into a pocket calculator and turn it upside down: OhIZS — not quite a word, sorry.
  • ➕ As a number, 52,140 = 2 × 2 × 3 × 5 × 11 × 79. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100101110101100
  • 🏠 Its numerical neighbours: 52136 (Cresco, IA, 29 mi away) and 52141 (Elgin, IA, 36 mi away).
  • 🔄 Backwards, 52140 becomes 04125, which is not a ZIP code at all.
  • 👥 73 other ZIP codes are made of exactly the same digits (01245, 01254, 01452, 01524, 01542, 02145, …). The farthest-flung twin is 02541 in Falmouth, MA, 1,071 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther west than 60%.
  • 🎯441 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 52140 and you would come out at 43.45°S, 88.47°E — 957 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 25m of daylight. Shortest: 8h 57m.
  • 📏 At 73.8 square miles of land, 52140 is bigger than 70% of ZIP codes — room for about 56 Central Parks.
🌙 The sky over 52140 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population671This ZIP671
Households276This ZIP276
Housing units312This ZIP312
Median age39.1This ZIP39.1Iowa38.6US 38.9
Median household income$72,188This ZIP$72,188Iowa$75,059US $80,734
Median home value$208,300This ZIP$208,300Iowa$208,000US $332,700
Bachelor's degree or higher36.2%This ZIP36.2%
Mean commute33.0 minThis ZIP33.0 min
Population density9.1 / sq miThis ZIP9.1 / sq mi

Business and tax activity

Business establishments12This ZIP12
Employees26This ZIP26
Annual payroll$651,000This ZIP$651,000
Tax returns filed230This ZIP230
Total adjusted gross income$15,781,000This ZIP$15,781,000

Land area

Land area73.82 sq miThis ZIP73.82 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Counties 52140 spans

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

CountyShare of this ZIP
Allamakee County 91.1%
Winneshiek County 8.9%

ZIP codes near 52140

ZIPCityDistance
52149 Highlandville, IA 7.9 mi
55931 Eitzen, MN 8.7 mi
52160 New Albin, IA 9.3 mi
55974 Spring Grove, MN 10.7 mi
52172 Waukon, IA 12.3 mi
55921 Caledonia, MN 12.4 mi
52101 Decorah, IA 13.2 mi
55954 Mabel, MN 14.5 mi
52151 Lansing, IA 15.2 mi
55919 Brownsville, MN 16.8 mi

Find every ZIP code within 10 miles of 52140 →

Questions about this ZIP code

Where is ZIP code 52140?

52140 is in Dorchester, Iowa, in Allamakee County. Its published point location is 43.4456, -91.5346.

What county is 52140 in?

52140 spans 2 counties: Allamakee County and Winneshiek County. Most of it falls in Allamakee 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 52140?

Dorchester uses area code 563, from NANPA's telephone records.

What time zone is 52140 in?

52140 uses America/Chicago.

How many people live in 52140?

About 671 people live in ZIP code 52140, in 276 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 52140?

$72,188 a year, against $75,059 across Iowa.

What ZIP codes are near 52140?

The closest are 52149 (7.9 mi), 55931 (8.7 mi), 52160 (9.3 mi), 55974 (10.7 mi) and 52172 (12.3 mi).

Is 52140 a PO Box ZIP code?

52140 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “52140 ZIP Code — Dorchester, Iowa (Allamakee County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52140

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