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Where 48503 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 48503 into a pocket calculator and turn it upside down: EOSBh — not quite a word, sorry.
- ➕ As a number, 48,503 = 7 × 13 × 13 × 41. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011110101110111 - 🏠 Its numerical neighbours: 48502 (Flint, MI, 2 mi away) and 48504 (Flint, MI, 4 mi away).
- 🔄 Backwards, 48503 becomes 30584, which is not a ZIP code at all.
- 👥 58 other ZIP codes are made of exactly the same digits (03458, 03584, 03845, 03854, 04358, 04538, …). The farthest-flung twin is 85340 in Litchfield Park, AZ, 1,679 miles away.
- 🧭 Farther north than 82% of all ZIP codes, and farther east than 61%.
- 🎯800 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 48503 and you would come out at 43.00°S, 96.29°E — 1,312 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 22m of daylight. Shortest: 9h 00m.
- 📏 At 8.5 square miles of land, 48503 is bigger than 25% of ZIP codes — room for about 6.4 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 22,347This ZIP22,347 |
|---|---|
| Households | 9,535This ZIP9,535 |
| Housing units | 11,589This ZIP11,589 |
| Median age | 38.3This ZIP38.3Michigan40.2US 38.9 |
| Median household income | $44,411This ZIP$44,411Michigan$72,875US $80,734 |
| Median home value | $83,800This ZIP$83,800Michigan$231,600US $332,700 |
| Median gross rent | $907This ZIP$907Michigan$1,129US $1,413 |
| Bachelor's degree or higher | 21.2%This ZIP21.2% |
| Mean commute | 20.0 minThis ZIP20.0 min |
| Population density | 2,642.7 / sq miThis ZIP2,642.7 / sq mi |
Business and tax activity
| Business establishments | 359This ZIP359 |
|---|---|
| Employees | 11,414This ZIP11,414 |
| Annual payroll | $576,769,000This ZIP$576,769,000 |
| Tax returns filed | 8,600This ZIP8,600 |
| Total adjusted gross income | $344,280,000This ZIP$344,280,000 |
Land area
| Land area | 8.46 sq miThis ZIP8.46 sq mi |
|---|---|
| Water area | 0.14 sq miThis ZIP0.14 sq mi |
Other place names in 48503
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 48503
| ZIP | City | Distance |
|---|---|---|
48555 | Flint, MI | 0.9 mi |
48531 | Flint, MI | 0.9 mi |
48551 | Flint, MI | 1.4 mi |
48552 | Flint, MI | 1.4 mi |
48502 | Flint, MI | 1.5 mi |
48553 | Flint, MI | 1.8 mi |
48507 | Flint, MI | 2.2 mi |
48550 | Flint, MI | 2.7 mi |
48529 | Burton, MI | 3.3 mi |
48556 | Flint, MI | 4.0 mi |
Find every ZIP code within 10 miles of 48503 →
Questions about this ZIP code
Where is ZIP code 48503?
48503 is in Flint, Michigan, in Genesee County, part of the Flint, MI metropolitan area. Its published point location is 42.9987, -83.7102.
What county is 48503 in?
48503 lies in Genesee County.
What area code is 48503?
Flint uses area code 810, from NANPA's telephone records.
What time zone is 48503 in?
48503 uses America/Detroit.
How many people live in 48503?
About 22,347 people live in ZIP code 48503, in 9,535 households, at 2,642.7 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 48503?
$44,411 a year, against $72,875 across Michigan.
What ZIP codes are near 48503?
The closest are 48555 (0.9 mi), 48531 (0.9 mi), 48551 (1.4 mi), 48552 (1.4 mi) and 48502 (1.5 mi).
Is 48503 a PO Box ZIP code?
48503 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “48503 ZIP Code — Flint, Michigan (Genesee County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48503
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/48503.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.