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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/52307

52307

ZIP 52307 is Middle Amana, Iowa, in Iowa County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Iowa
Metro area
none
Population
63
Coordinates
41.7915, -91.9024
☼ Live from 52307 — Middle Amana, IA

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Local time: —

Where 52307 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 52307
  • 🔢 Type 52307 into a pocket calculator and turn it upside down: LOEZS — not quite a word, sorry.
  • ➕ As a number, 52,307 = 19 × 2753. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100110001010011
  • 🏠 Its numerical neighbours: 52306 (Mechanicsville, IA, 34 mi away) and 52308 (Millersburg, IA, 20 mi away).
  • 🔄 Backwards, 52307 becomes 70325, which is not a ZIP code at all.
  • 👥 65 other ZIP codes are made of exactly the same digits (02357, 02375, 02537, 03257, 03275, 03752, …). The farthest-flung twin is 02537 in East Sandwich, MA, 1,104 miles away.
  • 🧭 Farther north than 73% of all ZIP codes, and farther west than 61%.
  • 🎯374 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 52307 and you would come out at 41.79°S, 88.10°E — 1,006 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 13m of daylight. Shortest: 9h 08m.
  • 📏 At 0.536 square miles of land, 52307 is bigger than 5% of ZIP codes — about 259 football fields.
🌙 The sky over 52307 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population63This ZIP63
Households63This ZIP63
Housing units89This ZIP89
Median age29.8This ZIP29.8Iowa38.6US 38.9
Median household income$43,388This ZIP$43,388Iowa$75,059US $80,734
Median gross rent$671This ZIP$671Iowa$972US $1,413
Bachelor's degree or higher60.3%This ZIP60.3%
Population density117.5 / sq miThis ZIP117.5 / sq mi

Business and tax activity

Business establishments3This ZIP3
Employees15This ZIP15
Annual payroll$696,000This ZIP$696,000

Land area

Land area0.54 sq miThis ZIP0.54 sq mi
Water area0.00 sq mi

Other place names in 52307

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

ZIP codes near 52307

ZIPCityDistance
52203 Amana, IA 1.6 mi
52204 Amana, IA 1.7 mi
52236 Homestead, IA 4.2 mi
52334 South Amana, IA 4.7 mi
52220 Conroy, IA 6.7 mi
52351 Walford, IA 6.7 mi
52318 Norway, IA 6.8 mi
52301 Marengo, IA 9.3 mi
52228 Fairfax, IA 9.6 mi
52354 Watkins, IA 9.9 mi

Find every ZIP code within 10 miles of 52307 →

Questions about this ZIP code

Where is ZIP code 52307?

52307 is in Middle Amana, Iowa, in Iowa County. Its published point location is 41.7915, -91.9024.

What county is 52307 in?

52307 lies in Iowa County.

What area code is 52307?

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

What time zone is 52307 in?

52307 uses America/Chicago.

How many people live in 52307?

About 63 people live in ZIP code 52307, in 63 households, at 117.5 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 52307?

$43,388 a year, against $75,059 across Iowa.

What ZIP codes are near 52307?

The closest are 52203 (1.6 mi), 52204 (1.7 mi), 52236 (4.2 mi), 52334 (4.7 mi) and 52220 (6.7 mi).

Is 52307 a PO Box ZIP code?

52307 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “52307 ZIP Code — Middle Amana, Iowa (Iowa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52307

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