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Where 66503 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 66503 into a pocket calculator and turn it upside down: EOSgg — not quite a word, sorry.
- ➕ As a number, 66,503 = 73 × 911. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10000001111000111 - 🏠 Its numerical neighbours: 66502 (Manhattan, KS, 12 mi away) and 66505 (Manhattan, KS, 3 mi away).
- 🔄 Backwards, 66503 becomes 30566 — and that is a real ZIP code: Oakwood, GA, 788 miles away.
- 👥 30 other ZIP codes are made of exactly the same digits (05663, 06365, 06536, 30566, 30656, 30665, …). The farthest-flung twin is 06365 in Preston, CT, 1,304 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther west than 73%.
- 🎯108 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 66503 and you would come out at 39.27°S, 83.30°E — 948 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
- 📏 At 83.2 square miles of land, 66503 is bigger than 73% of ZIP codes — room for about 63 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 17,273This ZIP17,273 |
|---|---|
| Households | 7,071This ZIP7,071 |
| Housing units | 7,779This ZIP7,779 |
| Median age | 38.0This ZIP38.0Kansas37.4US 38.9 |
| Median household income | $97,846This ZIP$97,846Kansas$74,275US $80,734 |
| Median home value | $339,100This ZIP$339,100Kansas$217,200US $332,700 |
| Median gross rent | $1,225This ZIP$1,225Kansas$1,060US $1,413 |
| Bachelor's degree or higher | 61.8%This ZIP61.8% |
| Mean commute | 19.2 minThis ZIP19.2 min |
| Population density | 207.6 / sq miThis ZIP207.6 / sq mi |
Business and tax activity
| Business establishments | 320This ZIP320 |
|---|---|
| Employees | 3,275This ZIP3,275 |
| Annual payroll | $147,832,000This ZIP$147,832,000 |
| Tax returns filed | 7,760This ZIP7,760 |
| Total adjusted gross income | $888,395,000This ZIP$888,395,000 |
Land area
| Land area | 83.20 sq miThis ZIP83.20 sq mi |
|---|---|
| Water area | 4.70 sq miThis ZIP4.70 sq mi |
Other place names in 66503
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 66503
| ZIP | City | Distance |
|---|---|---|
66505 | Manhattan, KS | 3.0 mi |
66506 | Manhattan, KS | 7.7 mi |
66531 | Riley, KS | 8.3 mi |
66517 | Ogden, KS | 10.7 mi |
66520 | Olsburg, KS | 11.1 mi |
66449 | Leonardville, KS | 12.2 mi |
66502 | Manhattan, KS | 12.4 mi |
66442 | Fort Riley, KS | 13.0 mi |
66514 | Milford, KS | 13.6 mi |
66535 | Saint George, KS | 14.0 mi |
Find every ZIP code within 10 miles of 66503 →
Questions about this ZIP code
Where is ZIP code 66503?
66503 is in Manhattan, Kansas, in Riley County, part of the Manhattan, KS metropolitan area. Its published point location is 39.2650, -96.6953.
What county is 66503 in?
66503 lies in Riley County.
What area code is 66503?
Manhattan uses area code 785, from NANPA's telephone records.
What time zone is 66503 in?
66503 uses America/Chicago.
How many people live in 66503?
About 17,273 people live in ZIP code 66503, in 7,071 households, at 207.6 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 66503?
$97,846 a year, against $74,275 across Kansas.
What ZIP codes are near 66503?
The closest are 66505 (3 mi), 66506 (7.7 mi), 66531 (8.3 mi), 66517 (10.7 mi) and 66520 (11.1 mi).
Is 66503 a PO Box ZIP code?
66503 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “66503 ZIP Code — Manhattan, Kansas (Riley County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/66503
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/66503.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.