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zipcodes.pro — ZIP/50631

50631

ZIP 50631 is Frederika, Iowa, in Bremer County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Bremer
Population
225
Coordinates
42.8851, -92.3095
☼ Live from 50631 — Frederika, IA

Weather right now

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Local time: —

Where 50631 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 50631
  • 🔢 Type 50631 into a pocket calculator and turn it upside down: IEgOS — not quite a word, sorry.
  • ➕ As a number, 50,631 = 3 × 7 × 2411. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100010111000111
  • 🏠 Its numerical neighbours: 50630 (Fredericksburg, IA, 7 mi away) and 50632 (Garwin, IA, 59 mi away).
  • 🔄 Backwards, 50631 becomes 13605 — and that is a real ZIP code: Adams, NY, 818 miles away.
  • 👥 66 other ZIP codes are made of exactly the same digits (01536, 01653, 03561, 05361, 06153, 06351, …). The farthest-flung twin is 01536 in North Grafton, MA, 1,048 miles away.
  • 🧭 Farther north than 82% of all ZIP codes, and farther west than 62%.
  • 🎯388 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 50631 and you would come out at 42.89°S, 87.69°E — 945 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 0.185 square miles of land, 50631 is bigger than 2% of ZIP codes — about 90 football fields.
🌙 The sky over 50631 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population225This ZIP225
Households86This ZIP86
Housing units122This ZIP122
Median age40.5This ZIP40.5Iowa38.6US 38.9
Median household income$58,750This ZIP$58,750Iowa$75,059US $80,734
Median home value$98,800This ZIP$98,800Iowa$208,000US $332,700
Median gross rent$667This ZIP$667Iowa$972US $1,413
Bachelor's degree or higher12.8%This ZIP12.8%
Mean commute35.2 minThis ZIP35.2 min
Population density1,216.2 / sq miThis ZIP1,216.2 / sq mi

Land area

Land area0.19 sq miThis ZIP0.19 sq mi
Water area0.09 sq miThis ZIP0.09 sq mi

Other place names in 50631

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

ZIP codes near 50631

ZIPCityDistance
50676 Tripoli, IA 6.1 mi
50630 Fredericksburg, IA 7.0 mi
50666 Plainfield, IA 10.0 mi
50674 Sumner, IA 10.4 mi
50677 Waverly, IA 10.5 mi
50645 Ionia, IA 11.5 mi
50658 Nashua, IA 12.4 mi
50668 Readlyn, IA 13.9 mi
50659 New Hampton, IA 14.6 mi
50622 Denver, IA 14.7 mi

Find every ZIP code within 10 miles of 50631 →

Questions about this ZIP code

Where is ZIP code 50631?

50631 is in Frederika, Iowa, in Bremer County, part of the Waterloo-Cedar Falls, IA metropolitan area. Its published point location is 42.8851, -92.3095.

What county is 50631 in?

50631 lies in Bremer County.

What area code is 50631?

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

What time zone is 50631 in?

50631 uses America/Chicago.

How many people live in 50631?

About 225 people live in ZIP code 50631, in 86 households, at 1,216.2 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 50631?

$58,750 a year, against $75,059 across Iowa.

What ZIP codes are near 50631?

The closest are 50676 (6.1 mi), 50630 (7 mi), 50666 (10 mi), 50674 (10.4 mi) and 50677 (10.5 mi).

Is 50631 a PO Box ZIP code?

50631 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “50631 ZIP Code — Frederika, Iowa (Bremer County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50631

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