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Where 50583 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.
- 🔢 Type 50583 into a pocket calculator and turn it upside down: EBSOS — not quite a word, sorry.
- ➕ As a number, 50,583 = 3 × 13 × 1297. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100010110010111 - 🏠 Its numerical neighbours: 50582 (Rutland, IA, 43 mi away) and 50585 (Sioux Rapids, IA, 34 mi away).
- 🔄 Backwards, 50583 becomes 38505 — and that is a real ZIP code: Cookeville, TN, 666 miles away.
- 👥 38 other ZIP codes are made of exactly the same digits (03585, 03855, 05358, 05853, 08535, 08553, …). The farthest-flung twin is 85350 in Somerton, AZ, 1,273 miles away.
- 🧭 Farther north than 79% of all ZIP codes, and farther west than 68%.
- 🎯259 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50583 and you would come out at 42.43°S, 85.01°E — 855 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 04m.
- 📏 At 115.6 square miles of land, 50583 is bigger than 81% of ZIP codes — room for about 88 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,288This ZIP2,288 |
|---|---|
| Households | 1,171This ZIP1,171 |
| Housing units | 1,342This ZIP1,342 |
| Median age | 53.3This ZIP53.3Iowa38.6US 38.9 |
| Median household income | $62,981This ZIP$62,981Iowa$75,059US $80,734 |
| Median home value | $144,700This ZIP$144,700Iowa$208,000US $332,700 |
| Median gross rent | $669This ZIP$669Iowa$972US $1,413 |
| Bachelor's degree or higher | 23.8%This ZIP23.8% |
| Mean commute | 15.8 minThis ZIP15.8 min |
| Population density | 19.8 / sq miThis ZIP19.8 / sq mi |
Business and tax activity
| Business establishments | 107This ZIP107 |
|---|---|
| Employees | 806This ZIP806 |
| Annual payroll | $34,740,000This ZIP$34,740,000 |
| Tax returns filed | 1,290This ZIP1,290 |
| Total adjusted gross income | $98,978,000This ZIP$98,978,000 |
Land area
| Land area | 115.59 sq miThis ZIP115.59 sq mi |
|---|---|
| Water area | 0.49 sq miThis ZIP0.49 sq mi |
Counties 50583 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Sac County | 97.4% |
| Calhoun County | 2.6% |
Other place names in 50583
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50583
| ZIP | City | Distance |
|---|---|---|
50561 | Lytton, IA | 7.0 mi |
50567 | Nemaha, IA | 7.9 mi |
51450 | Lake View, IA | 8.2 mi |
50535 | Early, IA | 9.2 mi |
50551 | Jolley, IA | 12.3 mi |
51433 | Auburn, IA | 12.8 mi |
50540 | Fonda, IA | 13.6 mi |
50568 | Newell, IA | 13.9 mi |
51466 | Wall Lake, IA | 14.1 mi |
51458 | Odebolt, IA | 14.7 mi |
Find every ZIP code within 10 miles of 50583 →
Questions about this ZIP code
Where is ZIP code 50583?
50583 is in Sac City, Iowa, in Sac County. Its published point location is 42.4328, -94.9856.
What county is 50583 in?
50583 spans 2 counties: Sac County and Calhoun County. Most of it falls in Sac 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 50583?
Sac City uses area code 712, from NANPA's telephone records.
What time zone is 50583 in?
50583 uses America/Chicago.
How many people live in 50583?
About 2,288 people live in ZIP code 50583, in 1,171 households, at 19.8 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 50583?
$62,981 a year, against $75,059 across Iowa.
What ZIP codes are near 50583?
The closest are 50561 (7 mi), 50567 (7.9 mi), 51450 (8.2 mi), 50535 (9.2 mi) and 50551 (12.3 mi).
Is 50583 a PO Box ZIP code?
50583 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50583 ZIP Code — Sac City, Iowa (Sac County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50583
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50583.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.