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/52327

52327

ZIP 52327 is Riverside, Iowa, mostly in Washington County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Washington +2 more
Metro area
Iowa City, IA
Population
3,796
Coordinates
41.4771, -91.5830
☼ Live from 52327 — Riverside, IA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 52327 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 52327
  • 🔢 Type 52327 into a pocket calculator and turn it upside down: LZEZS — not quite a word, sorry.
  • ➕ As a number, 52,327 = 11 × 67 × 71. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100110001100111
  • 🏠 Its numerical neighbours: 52326 (Quasqueton, IA, 64 mi away) and 52328 (Robins, IA, 41 mi away).
  • 🔄 Backwards, 52327 becomes 72325 — and that is a real ZIP code: Clarkedale, AR, 431 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (22735, 25327, 25723, 27235, 27253, 27325, …). The farthest-flung twin is 32752 in Longwood, FL, 1,055 miles away.
  • 🧭 Farther north than 71% of all ZIP codes, and farther west than 60%.
  • 🎯384 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 52327 and you would come out at 41.48°S, 88.42°E — 1,033 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
  • 📏 At 80.2 square miles of land, 52327 is bigger than 72% of ZIP codes — room for about 61 Central Parks.
🌙 The sky over 52327 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,796This ZIP3,796
Households1,315This ZIP1,315
Housing units1,404This ZIP1,404
Median age40.2This ZIP40.2Iowa38.6US 38.9
Median household income$86,942This ZIP$86,942Iowa$75,059US $80,734
Median home value$298,800This ZIP$298,800Iowa$208,000US $332,700
Median gross rent$1,304This ZIP$1,304Iowa$972US $1,413
Bachelor's degree or higher31.9%This ZIP31.9%
Mean commute32.7 minThis ZIP32.7 min
Population density47.4 / sq miThis ZIP47.4 / sq mi

Business and tax activity

Business establishments88This ZIP88
Employees1,155This ZIP1,155
Annual payroll$52,124,000This ZIP$52,124,000
Tax returns filed1,590This ZIP1,590
Total adjusted gross income$168,211,000This ZIP$168,211,000

Land area

Land area80.17 sq miThis ZIP80.17 sq mi
Water area0.43 sq miThis ZIP0.43 sq mi

Counties 52327 spans

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

CountyShare of this ZIP
Washington County 72.7%
Johnson County 27.1%
Louisa County 0.1%

Other place names in 52327

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

ZIP codes near 52327

ZIPCityDistance
52235 Hills, IA 7.5 mi
52755 Lone Tree, IA 7.7 mi
52244 Iowa City, IA 7.8 mi
52247 Kalona, IA 7.8 mi
52201 Ainsworth, IA 10.4 mi
52240 Iowa City, IA 11.5 mi
52246 Iowa City, IA 11.9 mi
52242 Iowa City, IA 13.0 mi
52243 Iowa City, IA 13.0 mi
52739 Conesville, IA 13.3 mi

Find every ZIP code within 10 miles of 52327 →

Questions about this ZIP code

Where is ZIP code 52327?

52327 is in Riverside, Iowa, in Washington County, part of the Iowa City, IA metropolitan area. Its published point location is 41.4771, -91.5830.

What county is 52327 in?

52327 spans 3 counties: Washington County, Johnson County and Louisa County. Most of it falls in Washington 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 52327?

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

What time zone is 52327 in?

52327 uses America/Chicago.

How many people live in 52327?

About 3,796 people live in ZIP code 52327, in 1,315 households, at 47.4 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 52327?

$86,942 a year, against $75,059 across Iowa.

What ZIP codes are near 52327?

The closest are 52235 (7.5 mi), 52755 (7.7 mi), 52244 (7.8 mi), 52247 (7.8 mi) and 52201 (10.4 mi).

Is 52327 a PO Box ZIP code?

52327 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “52327 ZIP Code — Riverside, Iowa (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52327

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/52327.json

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