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zipcodes.pro — ZIP/50666

50666

ZIP 50666 is Plainfield, Iowa, mostly in Bremer County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Bremer +1 more
Population
753
Coordinates
42.8544, -92.5032
☼ Live from 50666 — Plainfield, IA

Weather right now

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Local time: —

Where 50666 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 50666
  • 🔢 Type 50666 into a pocket calculator and turn it upside down: gggOS — not quite a word, sorry.
  • ➕ As a number, 50,666 = 2 × 7 × 7 × 11 × 47. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100010111101010
  • 🏠 Its numerical neighbours: 50665 (Parkersburg, IA, 23 mi away) and 50667 (Raymond, IA, 30 mi away).
  • 🔄 Backwards, 50666 becomes 66605 — and that is a real ZIP code: Topeka, KS, 312 miles away.
  • 👥 10 other ZIP codes are made of exactly the same digits (05666, 56660, 60566, 60656, 65066, 65606, …). The farthest-flung twin is 05666 in North Montpelier, VT, 1,007 miles away.
  • 🧭 Farther north than 82% of all ZIP codes, and farther west than 62%.
  • 🎯378 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 50666 and you would come out at 42.85°S, 87.50°E — 938 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 01m.
  • 📏 At 49.4 square miles of land, 50666 is bigger than 59% of ZIP codes — room for about 37 Central Parks.
🌙 The sky over 50666 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population753This ZIP753
Households321This ZIP321
Housing units365This ZIP365
Median age49.6This ZIP49.6Iowa38.6US 38.9
Median household income$79,867This ZIP$79,867Iowa$75,059US $80,734
Median home value$203,700This ZIP$203,700Iowa$208,000US $332,700
Median gross rent$684This ZIP$684Iowa$972US $1,413
Bachelor's degree or higher7.8%This ZIP7.8%
Mean commute19.3 minThis ZIP19.3 min
Population density15.3 / sq miThis ZIP15.3 / sq mi

Business and tax activity

Business establishments18This ZIP18
Employees73This ZIP73
Annual payroll$3,245,000This ZIP$3,245,000
Tax returns filed420This ZIP420
Total adjusted gross income$29,836,000This ZIP$29,836,000

Land area

Land area49.37 sq miThis ZIP49.37 sq mi
Water area0.30 sq miThis ZIP0.30 sq mi

Counties 50666 spans

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

CountyShare of this ZIP
Bremer County 76.0%
Butler County 24.0%

Other place names in 50666

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

ZIP codes near 50666

ZIPCityDistance
50677 Waverly, IA 6.9 mi
50658 Nashua, IA 6.9 mi
50619 Clarksville, IA 9.0 mi
50631 Frederika, IA 10.0 mi
50645 Ionia, IA 11.8 mi
50676 Tripoli, IA 11.9 mi
50670 Shell Rock, IA 13.5 mi
50647 Janesville, IA 14.1 mi
50622 Denver, IA 15.2 mi
50636 Greene, IA 15.7 mi

Find every ZIP code within 10 miles of 50666 →

Questions about this ZIP code

Where is ZIP code 50666?

50666 is in Plainfield, Iowa, in Bremer County, part of the Waterloo-Cedar Falls, IA metropolitan area. Its published point location is 42.8544, -92.5032.

What county is 50666 in?

50666 spans 2 counties: Bremer County and Butler County. Most of it falls in Bremer 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 50666?

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

What time zone is 50666 in?

50666 uses America/Chicago.

How many people live in 50666?

About 753 people live in ZIP code 50666, in 321 households, at 15.3 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 50666?

$79,867 a year, against $75,059 across Iowa.

What ZIP codes are near 50666?

The closest are 50677 (6.9 mi), 50658 (6.9 mi), 50619 (9 mi), 50631 (10 mi) and 50645 (11.8 mi).

Is 50666 a PO Box ZIP code?

50666 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “50666 ZIP Code — Plainfield, Iowa (Bremer County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50666

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curl https://zipcodes.pro/zip/50666.json

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