Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/50701

50701

ZIP 50701 is in Waterloo, Iowa, in Black Hawk County; area code 319; Central time. Waterloo has 4 ZIP codes; the others are 50702, 50703 and 50704.

Type
Standard
Time zone
America/Chicago
County
Black Hawk
Population
30,232
Coordinates
42.4176, -92.3446
☼ Live from 50701 — Waterloo, IA

Weather right now

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Local time: —

Where 50701 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 50701
  • 🔢 Type 50701 into a pocket calculator and turn it upside down: IOLOS — not quite a word, sorry.
  • ➕ As a number, 50,701 = 7 × 7243. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100011000001101
  • 🏠 Its numerical neighbours: 50682 (Winthrop, IA, 33 mi away) and 50702 (Waterloo, IA, 3 mi away).
  • 🔄 Backwards, 50701 becomes 10705 — and that is a real ZIP code: Yonkers, NY, 956 miles away.
  • 👥 34 other ZIP codes are made of exactly the same digits (00715, 00751, 01057, 01075, 01507, 01570, …). The farthest-flung twin is 00751 in Salinas, PR, 2,277 miles away.
  • 🧭 Farther north than 78% of all ZIP codes, and farther west than 62%.
  • 🎯370 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 50701 and you would come out at 42.42°S, 87.66°E — 962 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 79.1 square miles of land, 50701 is bigger than 72% of ZIP codes — room for about 60 Central Parks.
🌙 The sky over 50701 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population30,232This ZIP30,232
Households13,656This ZIP13,656
Housing units14,796This ZIP14,796
Median age37.2This ZIP37.2Iowa38.6US 38.9
Median household income$61,475This ZIP$61,475Iowa$75,059US $80,734
Median home value$183,800This ZIP$183,800Iowa$208,000US $332,700
Median gross rent$850This ZIP$850Iowa$972US $1,413
Bachelor's degree or higher27.9%This ZIP27.9%
Mean commute15.0 minThis ZIP15.0 min
Population density382.1 / sq miThis ZIP382.1 / sq mi

Business and tax activity

Business establishments699This ZIP699
Employees12,604This ZIP12,604
Annual payroll$687,292,000This ZIP$687,292,000
Tax returns filed14,270This ZIP14,270
Total adjusted gross income$1,098,105,000This ZIP$1,098,105,000

Land area

Land area79.12 sq miThis ZIP79.12 sq mi
Water area1.34 sq miThis ZIP1.34 sq mi

Other place names in 50701

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

ZIP codes near 50701

ZIPCityDistance
50702 Waterloo, IA 3.4 mi
50614 Cedar Falls, IA 4.0 mi
50704 Waterloo, IA 4.0 mi
50707 Evansdale, IA 5.2 mi
50634 Gilbertville, IA 6.6 mi
50667 Raymond, IA 7.1 mi
50643 Hudson, IA 7.4 mi
50612 Buckingham, IA 9.4 mi
50703 Waterloo, IA 9.5 mi
50651 La Porte City, IA 9.7 mi

Find every ZIP code within 10 miles of 50701 →

Questions about this ZIP code

Where is ZIP code 50701?

50701 is in Waterloo, Iowa, in Black Hawk County, part of the Waterloo-Cedar Falls, IA metropolitan area. Its published point location is 42.4176, -92.3446.

What county is 50701 in?

50701 lies in Black Hawk County.

What area code is 50701?

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

What time zone is 50701 in?

50701 uses America/Chicago.

How many people live in 50701?

About 30,232 people live in ZIP code 50701, in 13,656 households, at 382.1 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 50701?

$61,475 a year, against $75,059 across Iowa.

What ZIP codes are near 50701?

The closest are 50702 (3.4 mi), 50614 (4 mi), 50704 (4 mi), 50707 (5.2 mi) and 50634 (6.6 mi).

Is 50701 a PO Box ZIP code?

50701 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “50701 ZIP Code — Waterloo, Iowa (Black Hawk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50701

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