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zipcodes.pro — ZIP/52320

52320

ZIP 52320 is Olin, Iowa, mostly in Jones County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Jones +1 more
Metro area
Cedar Rapids, IA
Population
1,425
Coordinates
41.9991, -91.1484
☼ Live from 52320 — Olin, IA

Weather right now

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Local time: —

Where 52320 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 52320
  • 🔢 Type 52320 into a pocket calculator and turn it upside down: OZEZS — not quite a word, sorry.
  • ➕ As a number, 52,320 = 2 × 2 × 2 × 2 × 2 × 3 × 5 × 109. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100110001100000
  • 🏠 Its numerical neighbours: 52318 (Norway, IA, 39 mi away) and 52321 (Onslow, IA, 13 mi away).
  • 🔄 Backwards, 52320 becomes 02325 — and that is a real ZIP code: Bridgewater, MA, 1,034 miles away.
  • 👥 37 other ZIP codes are made of exactly the same digits (02325, 02532, 03225, 03252, 20235, 20523, …). The farthest-flung twin is 02532 in Buzzards Bay, MA, 1,055 miles away.
  • 🧭 Farther north than 75% of all ZIP codes, and farther west than 59%.
  • 🎯416 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 52320 and you would come out at 42.00°S, 88.85°E — 1,029 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 14m of daylight. Shortest: 9h 07m.
  • 📏 At 58.1 square miles of land, 52320 is bigger than 64% of ZIP codes — room for about 44 Central Parks.
🌙 The sky over 52320 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,425This ZIP1,425
Households516This ZIP516
Housing units581This ZIP581
Median age37.2This ZIP37.2Iowa38.6US 38.9
Median household income$62,222This ZIP$62,222Iowa$75,059US $80,734
Median home value$131,300This ZIP$131,300Iowa$208,000US $332,700
Median gross rent$778This ZIP$778Iowa$972US $1,413
Bachelor's degree or higher20.9%This ZIP20.9%
Mean commute29.8 minThis ZIP29.8 min
Population density24.5 / sq miThis ZIP24.5 / sq mi

Business and tax activity

Business establishments20This ZIP20
Employees88This ZIP88
Annual payroll$2,815,000This ZIP$2,815,000
Tax returns filed480This ZIP480
Total adjusted gross income$30,755,000This ZIP$30,755,000

Land area

Land area58.14 sq miThis ZIP58.14 sq mi
Water area0.60 sq miThis ZIP0.60 sq mi

Counties 52320 spans

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

CountyShare of this ZIP
Jones County 87.0%
Cedar County 13.0%

Other place names in 52320

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

ZIP codes near 52320

ZIPCityDistance
52312 Morley, IA 5.0 mi
52337 Stanwood, IA 8.1 mi
52212 Center Junction, IA 8.1 mi
52362 Wyoming, IA 8.5 mi
52306 Mechanicsville, IA 9.5 mi
52305 Martelle, IA 10.0 mi
52323 Oxford Junction, IA 10.1 mi
52216 Clarence, IA 10.2 mi
52205 Anamosa, IA 10.9 mi
52253 Lisbon, IA 12.7 mi

Find every ZIP code within 10 miles of 52320 →

Questions about this ZIP code

Where is ZIP code 52320?

52320 is in Olin, Iowa, in Jones County, part of the Cedar Rapids, IA metropolitan area. Its published point location is 41.9991, -91.1484.

What county is 52320 in?

52320 spans 2 counties: Jones County and Cedar County. Most of it falls in Jones 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 52320?

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

What time zone is 52320 in?

52320 uses America/Chicago.

How many people live in 52320?

About 1,425 people live in ZIP code 52320, in 516 households, at 24.5 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 52320?

$62,222 a year, against $75,059 across Iowa.

What ZIP codes are near 52320?

The closest are 52312 (5 mi), 52337 (8.1 mi), 52212 (8.1 mi), 52362 (8.5 mi) and 52306 (9.5 mi).

Is 52320 a PO Box ZIP code?

52320 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “52320 ZIP Code — Olin, Iowa (Jones County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52320

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