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zipcodes.pro — ZIP/50638

50638

ZIP 50638 is Grundy Center, Iowa, in Grundy County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Grundy
Population
3,441
Coordinates
42.3565, -92.7950
☼ Live from 50638 — Grundy Center, IA

Weather right now

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Local time: —

Where 50638 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 50638
  • 🔢 Type 50638 into a pocket calculator and turn it upside down: BEgOS — not quite a word, sorry.
  • ➕ As a number, 50,638 = 2 × 7 × 3617. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100010111001110
  • 🏠 Its numerical neighbours: 50636 (Greene, IA, 37 mi away) and 50641 (Hazleton, IA, 47 mi away).
  • 🔄 Backwards, 50638 becomes 83605 — and that is a real ZIP code: Caldwell, ID, 1,205 miles away.
  • 👥 49 other ZIP codes are made of exactly the same digits (03586, 03856, 03865, 05836, 05863, 06385, …). The farthest-flung twin is 85360 in Wikieup, AZ, 1,243 miles away.
  • 🧭 Farther north than 78% of all ZIP codes, and farther west than 63%.
  • 🎯348 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 50638 and you would come out at 42.36°S, 87.21°E — 946 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 17m of daylight. Shortest: 9h 04m.
  • 📏 At 94.0 square miles of land, 50638 is bigger than 76% of ZIP codes — room for about 71 Central Parks.
🌙 The sky over 50638 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,441This ZIP3,441
Households1,361This ZIP1,361
Housing units1,414This ZIP1,414
Median age38.4This ZIP38.4Iowa38.6US 38.9
Median household income$85,223This ZIP$85,223Iowa$75,059US $80,734
Median home value$185,200This ZIP$185,200Iowa$208,000US $332,700
Bachelor's degree or higher26.7%This ZIP26.7%
Mean commute24.8 minThis ZIP24.8 min
Population density36.6 / sq miThis ZIP36.6 / sq mi

Business and tax activity

Business establishments114This ZIP114
Employees956This ZIP956
Annual payroll$48,293,000This ZIP$48,293,000
Tax returns filed1,510This ZIP1,510
Total adjusted gross income$126,827,000This ZIP$126,827,000

Land area

Land area93.98 sq miThis ZIP93.98 sq mi
Water area0.00 sq mi

Other place names in 50638

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

ZIP codes near 50638

ZIPCityDistance
50642 Holland, IA 5.8 mi
50657 Morrison, IA 6.2 mi
50652 Lincoln, IA 8.2 mi
50680 Wellsburg, IA 8.7 mi
50609 Beaman, IA 8.9 mi
50669 Reinbeck, IA 9.3 mi
50621 Conrad, IA 9.9 mi
50624 Dike, IA 10.4 mi
50635 Gladbrook, IA 11.8 mi
50673 Stout, IA 12.4 mi

Find every ZIP code within 10 miles of 50638 →

Questions about this ZIP code

Where is ZIP code 50638?

50638 is in Grundy Center, Iowa, in Grundy County, part of the Waterloo-Cedar Falls, IA metropolitan area. Its published point location is 42.3565, -92.7950.

What county is 50638 in?

50638 lies in Grundy County.

What area code is 50638?

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

What time zone is 50638 in?

50638 uses America/Chicago.

How many people live in 50638?

About 3,441 people live in ZIP code 50638, in 1,361 households, at 36.6 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 50638?

$85,223 a year, against $75,059 across Iowa.

What ZIP codes are near 50638?

The closest are 50642 (5.8 mi), 50657 (6.2 mi), 50652 (8.2 mi), 50680 (8.7 mi) and 50609 (8.9 mi).

Is 50638 a PO Box ZIP code?

50638 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “50638 ZIP Code — Grundy Center, Iowa (Grundy County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50638

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