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zipcodes.pro — ZIP/50643

50643

ZIP 50643 is Hudson, Iowa, mostly in Black Hawk County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Black Hawk +1 more
Population
3,027
Coordinates
42.3580, -92.4642
☼ Live from 50643 — Hudson, IA

Weather right now

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Local time: —

Where 50643 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 50643
  • 🔢 Type 50643 into a pocket calculator and turn it upside down: EhgOS — not quite a word, sorry.
  • ➕ As a number, 50,643 = 3 × 3 × 17 × 331. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100010111010011
  • 🏠 Its numerical neighbours: 50642 (Holland, IA, 19 mi away) and 50644 (Independence, IA, 30 mi away).
  • 🔄 Backwards, 50643 becomes 34605 — and that is a real ZIP code: Brooksville, FL, 1,110 miles away.
  • 👥 65 other ZIP codes are made of exactly the same digits (03456, 03465, 04563, 04635, 04653, 05346, …). The farthest-flung twin is 04653 in Bass Harbor, ME, 1,216 miles away.
  • 🧭 Farther north than 78% of all ZIP codes, and farther west than 62%.
  • 🎯363 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 50643 and you would come out at 42.36°S, 87.54°E — 960 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 57.6 square miles of land, 50643 is bigger than 63% of ZIP codes — room for about 44 Central Parks.
🌙 The sky over 50643 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,027This ZIP3,027
Households1,056This ZIP1,056
Housing units1,098This ZIP1,098
Median age40.2This ZIP40.2Iowa38.6US 38.9
Median household income$125,804This ZIP$125,804Iowa$75,059US $80,734
Median home value$244,400This ZIP$244,400Iowa$208,000US $332,700
Median gross rent$953This ZIP$953Iowa$972US $1,413
Bachelor's degree or higher41.5%This ZIP41.5%
Mean commute17.2 minThis ZIP17.2 min
Population density52.5 / sq miThis ZIP52.5 / sq mi

Business and tax activity

Business establishments59This ZIP59
Employees598This ZIP598
Annual payroll$31,649,000This ZIP$31,649,000
Tax returns filed1,360This ZIP1,360
Total adjusted gross income$124,995,000This ZIP$124,995,000

Land area

Land area57.62 sq miThis ZIP57.62 sq mi
Water area0.13 sq miThis ZIP0.13 sq mi

Counties 50643 spans

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

CountyShare of this ZIP
Black Hawk County 90.6%
Grundy County 9.4%

Other place names in 50643

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

ZIP codes near 50643

ZIPCityDistance
50612 Buckingham, IA 6.4 mi
50701 Waterloo, IA 7.4 mi
50669 Reinbeck, IA 7.8 mi
50702 Waterloo, IA 10.5 mi
50657 Morrison, IA 10.8 mi
50614 Cedar Falls, IA 11.0 mi
50704 Waterloo, IA 11.0 mi
50675 Traer, IA 11.3 mi
50613 Cedar Falls, IA 12.0 mi
50707 Evansdale, IA 12.4 mi

Find every ZIP code within 10 miles of 50643 →

Questions about this ZIP code

Where is ZIP code 50643?

50643 is in Hudson, Iowa, in Black Hawk County, part of the Waterloo-Cedar Falls, IA metropolitan area. Its published point location is 42.3580, -92.4642.

What county is 50643 in?

50643 spans 2 counties: Black Hawk County and Grundy County. Most of it falls in Black Hawk 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 50643?

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

What time zone is 50643 in?

50643 uses America/Chicago.

How many people live in 50643?

About 3,027 people live in ZIP code 50643, in 1,056 households, at 52.5 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 50643?

$125,804 a year, against $75,059 across Iowa.

What ZIP codes are near 50643?

The closest are 50612 (6.4 mi), 50701 (7.4 mi), 50669 (7.8 mi), 50702 (10.5 mi) and 50657 (10.8 mi).

Is 50643 a PO Box ZIP code?

50643 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “50643 ZIP Code — Hudson, Iowa (Black Hawk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50643

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/50643.json

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