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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/50634

50634

ZIP 50634 is Gilbertville, Iowa, in Black Hawk County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Black Hawk
Population
761
Coordinates
42.4182, -92.2143
☼ Live from 50634 — Gilbertville, IA

Weather right now

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Local time: —

Where 50634 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 50634
  • 🔢 Type 50634 into a pocket calculator and turn it upside down: hEgOS — not quite a word, sorry.
  • ➕ As a number, 50,634 = 2 × 3 × 3 × 29 × 97. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100010111001010
  • 🏠 Its numerical neighbours: 50633 (Geneva, IA, 50 mi away) and 50635 (Gladbrook, IA, 29 mi away).
  • 🔄 Backwards, 50634 becomes 43605 — and that is a real ZIP code: Toledo, OH, 450 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, 1,203 miles away.
  • 🧭 Farther north than 78% of all ZIP codes, and farther west than 61%.
  • 🎯376 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 50634 and you would come out at 42.42°S, 87.79°E — 968 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 0.358 square miles of land, 50634 is bigger than 4% of ZIP codes — about 173 football fields.
🌙 The sky over 50634 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population761This ZIP761
Households346This ZIP346
Housing units361This ZIP361
Median age40.6This ZIP40.6Iowa38.6US 38.9
Median household income$79,583This ZIP$79,583Iowa$75,059US $80,734
Median home value$197,400This ZIP$197,400Iowa$208,000US $332,700
Median gross rent$643This ZIP$643Iowa$972US $1,413
Bachelor's degree or higher28.9%This ZIP28.9%
Mean commute19.9 minThis ZIP19.9 min
Population density2,125.7 / sq miThis ZIP2,125.7 / sq mi

Business and tax activity

Business establishments13This ZIP13
Employees38This ZIP38
Annual payroll$1,195,000This ZIP$1,195,000

Land area

Land area0.36 sq miThis ZIP0.36 sq mi
Water area0.00 sq mi

Other place names in 50634

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

ZIP codes near 50634

ZIPCityDistance
50667 Raymond, IA 3.6 mi
50707 Evansdale, IA 5.3 mi
50702 Waterloo, IA 5.9 mi
50614 Cedar Falls, IA 6.0 mi
50704 Waterloo, IA 6.0 mi
50651 La Porte City, IA 6.5 mi
50648 Jesup, IA 6.6 mi
50701 Waterloo, IA 6.6 mi
50623 Dewar, IA 7.5 mi
50703 Waterloo, IA 9.7 mi

Find every ZIP code within 10 miles of 50634 →

Questions about this ZIP code

Where is ZIP code 50634?

50634 is in Gilbertville, Iowa, in Black Hawk County, part of the Waterloo-Cedar Falls, IA metropolitan area. Its published point location is 42.4182, -92.2143.

What county is 50634 in?

50634 lies in Black Hawk County.

What area code is 50634?

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

What time zone is 50634 in?

50634 uses America/Chicago.

How many people live in 50634?

About 761 people live in ZIP code 50634, in 346 households, at 2,125.7 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 50634?

$79,583 a year, against $75,059 across Iowa.

What ZIP codes are near 50634?

The closest are 50667 (3.6 mi), 50707 (5.3 mi), 50702 (5.9 mi), 50614 (6 mi) and 50704 (6 mi).

Is 50634 a PO Box ZIP code?

50634 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “50634 ZIP Code — Gilbertville, Iowa (Black Hawk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50634

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