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Where 50478 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 50478 into a pocket calculator and turn it upside down: BLhOS — not quite a word, sorry.
- ➕ As a number, 50,478 = 2 × 3 × 47 × 179. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100010100101110 - 🏠 Its numerical neighbours: 50477 (Swaledale, IA, 37 mi away) and 50479 (Thornton, IA, 37 mi away).
- 🔄 Backwards, 50478 becomes 87405, which is not a ZIP code at all.
- 👥 57 other ZIP codes are made of exactly the same digits (04578, 04758, 04785, 05478, 05487, 05748, …). The farthest-flung twin is 04758 in Mars Hill, ME, 1,280 miles away.
- 🧭 Farther north than 85% of all ZIP codes, and farther west than 65%.
- 🎯350 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50478 and you would come out at 43.41°S, 86.22°E — 864 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 25m of daylight. Shortest: 8h 57m.
- 📏 At 76.5 square miles of land, 50478 is bigger than 71% of ZIP codes — room for about 58 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 737This ZIP737 |
|---|---|
| Households | 389This ZIP389 |
| Housing units | 455This ZIP455 |
| Median age | 46.8This ZIP46.8Iowa38.6US 38.9 |
| Median household income | $48,750This ZIP$48,750Iowa$75,059US $80,734 |
| Median home value | $93,200This ZIP$93,200Iowa$208,000US $332,700 |
| Median gross rent | $752This ZIP$752Iowa$972US $1,413 |
| Bachelor's degree or higher | 35.0%This ZIP35.0% |
| Mean commute | 22.3 minThis ZIP22.3 min |
| Population density | 9.6 / sq miThis ZIP9.6 / sq mi |
Business and tax activity
| Business establishments | 19This ZIP19 |
|---|---|
| Employees | 97This ZIP97 |
| Annual payroll | $5,887,000This ZIP$5,887,000 |
| Tax returns filed | 350This ZIP350 |
| Total adjusted gross income | $25,546,000This ZIP$25,546,000 |
Land area
| Land area | 76.47 sq miThis ZIP76.47 sq mi |
|---|---|
| Water area | 0.03 sq miThis ZIP0.03 sq mi |
Other place names in 50478
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50478
| ZIP | City | Distance |
|---|---|---|
50473 | Scarville, IA | 7.1 mi |
50453 | Leland, IA | 7.5 mi |
50424 | Buffalo Center, IA | 7.9 mi |
50465 | Rake, IA | 8.4 mi |
56051 | Kiester, MN | 9.7 mi |
50436 | Forest City, IA | 11.4 mi |
56014 | Bricelyn, MN | 12.3 mi |
50432 | Crystal Lake, IA | 12.7 mi |
50450 | Lake Mills, IA | 13.2 mi |
50484 | Woden, IA | 13.2 mi |
Find every ZIP code within 10 miles of 50478 →
Questions about this ZIP code
Where is ZIP code 50478?
50478 is in Thompson, Iowa, in Winnebago County. Its published point location is 43.4075, -93.7836.
What county is 50478 in?
50478 lies in Winnebago County.
What area code is 50478?
Thompson uses area code 641, from NANPA's telephone records.
What time zone is 50478 in?
50478 uses America/Chicago.
How many people live in 50478?
About 737 people live in ZIP code 50478, in 389 households, at 9.6 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 50478?
$48,750 a year, against $75,059 across Iowa.
What ZIP codes are near 50478?
The closest are 50473 (7.1 mi), 50453 (7.5 mi), 50424 (7.9 mi), 50465 (8.4 mi) and 56051 (9.7 mi).
Is 50478 a PO Box ZIP code?
50478 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50478 ZIP Code — Thompson, Iowa (Winnebago County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50478
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50478.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.