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zipcodes.pro — ZIP/50603

50603

ZIP 50603 is Alta Vista, Iowa, mostly in Chickasaw County; area code 641; Central time.

Type
Standard
Time zone
America/Chicago
County
Chickasaw +1 more
Metro area
none
Population
555
Coordinates
43.1889, -92.4582
☼ Live from 50603 — Alta Vista, IA

Weather right now

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Local time: —

Where 50603 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 50603
  • 🔢 Type 50603 into a pocket calculator and turn it upside down: EOgOS — not quite a word, sorry.
  • ➕ As a number, 50,603 = 7 × 7229. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100010110101011
  • 🏠 Its numerical neighbours: 50602 (Allison, IA, 36 mi away) and 50604 (Aplington, IA, 46 mi away).
  • 🔄 Backwards, 50603 becomes 30605 — and that is a real ZIP code: Athens, GA, 808 miles away.
  • 👥 35 other ZIP codes are made of exactly the same digits (00653, 03605, 05036, 05360, 05603, 06035, …). The farthest-flung twin is 00653 in Guanica, PR, 2,292 miles away.
  • 🧭 Farther north than 84% of all ZIP codes, and farther west than 62%.
  • 🎯393 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 50603 and you would come out at 43.19°S, 87.54°E — 927 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 23m of daylight. Shortest: 8h 59m.
  • 📏 At 45.1 square miles of land, 50603 is bigger than 57% of ZIP codes — room for about 34 Central Parks.
🌙 The sky over 50603 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population555This ZIP555
Households231This ZIP231
Housing units237This ZIP237
Median age41.3This ZIP41.3Iowa38.6US 38.9
Median household income$74,271This ZIP$74,271Iowa$75,059US $80,734
Median home value$122,700This ZIP$122,700Iowa$208,000US $332,700
Median gross rent$640This ZIP$640Iowa$972US $1,413
Bachelor's degree or higher6.7%This ZIP6.7%
Mean commute21.6 minThis ZIP21.6 min
Population density12.3 / sq miThis ZIP12.3 / sq mi

Business and tax activity

Business establishments13This ZIP13
Employees76This ZIP76
Annual payroll$2,555,000This ZIP$2,555,000
Tax returns filed280This ZIP280
Total adjusted gross income$18,291,000This ZIP$18,291,000

Land area

Land area45.11 sq miThis ZIP45.11 sq mi
Water area0.00 sq mi

Counties 50603 spans

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

CountyShare of this ZIP
Chickasaw County 83.3%
Howard County 16.7%

Other place names in 50603

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

ZIP codes near 50603

ZIPCityDistance
50661 North Washington, IA 5.4 mi
50628 Elma, IA 6.6 mi
50620 Colwell, IA 7.1 mi
50659 New Hampton, IA 9.2 mi
50645 Ionia, IA 11.7 mi
50460 Orchard, IA 12.0 mi
50616 Charles City, IA 12.6 mi
50466 Riceville, IA 14.3 mi
52154 Lawler, IA 15.6 mi
50435 Floyd, IA 15.8 mi

Find every ZIP code within 10 miles of 50603 →

Questions about this ZIP code

Where is ZIP code 50603?

50603 is in Alta Vista, Iowa, in Chickasaw County. Its published point location is 43.1889, -92.4582.

What county is 50603 in?

50603 spans 2 counties: Chickasaw County and Howard County. Most of it falls in Chickasaw 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 50603?

Alta Vista uses area code 641, from NANPA's telephone records.

What time zone is 50603 in?

50603 uses America/Chicago.

How many people live in 50603?

About 555 people live in ZIP code 50603, in 231 households, at 12.3 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 50603?

$74,271 a year, against $75,059 across Iowa.

What ZIP codes are near 50603?

The closest are 50661 (5.4 mi), 50628 (6.6 mi), 50620 (7.1 mi), 50659 (9.2 mi) and 50645 (11.7 mi).

Is 50603 a PO Box ZIP code?

50603 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “50603 ZIP Code — Alta Vista, Iowa (Chickasaw County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50603

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