Weather right now
Asking the National Weather Service…
Where 66751 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 66751 into a pocket calculator and turn it upside down: ISLgg — not quite a word, sorry.
- ➕ 66751 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10000010010111111 - 🏠 Its numerical neighbours: 66749 (Iola, KS, 7 mi away) and 66753 (Mc Cune, KS, 42 mi away).
- 🔄 Backwards, 66751 becomes 15766, which is not a ZIP code at all.
- 👥 25 other ZIP codes are made of exactly the same digits (15676, 16657, 16675, 17566, 56167, 56176, …). The farthest-flung twin is 17566 in Quarryville, PA, 1,036 miles away.
- 🧭 Farther south than 59% of all ZIP codes, and farther west than 69%.
- 🎯220 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 66751 and you would come out at 37.93°S, 84.71°E — 1,068 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 48m of daylight. Shortest: 9h 32m.
- 📏 At 48.9 square miles of land, 66751 is bigger than 59% of ZIP codes — room for about 37 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 590This ZIP590 |
|---|---|
| Households | 327This ZIP327 |
| Housing units | 423This ZIP423 |
| Median age | 60.0This ZIP60.0Kansas37.4US 38.9 |
| Median household income | $48,417This ZIP$48,417Kansas$74,275US $80,734 |
| Median home value | $57,700This ZIP$57,700Kansas$217,200US $332,700 |
| Median gross rent | $692This ZIP$692Kansas$1,060US $1,413 |
| Bachelor's degree or higher | 23.7%This ZIP23.7% |
| Mean commute | 14.7 minThis ZIP14.7 min |
| Population density | 12.1 / sq miThis ZIP12.1 / sq mi |
Business and tax activity
| Business establishments | 7This ZIP7 |
|---|---|
| Employees | 30This ZIP30 |
| Annual payroll | $881,000This ZIP$881,000 |
| Tax returns filed | 300This ZIP300 |
| Total adjusted gross income | $12,545,000This ZIP$12,545,000 |
Land area
| Land area | 48.90 sq miThis ZIP48.90 sq mi |
|---|---|
| Water area | 0.40 sq miThis ZIP0.40 sq mi |
Other place names in 66751
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 66751
| ZIP | City | Distance |
|---|---|---|
66742 | Gas, KS | 3.3 mi |
66755 | Moran, KS | 6.7 mi |
66749 | Iola, KS | 6.8 mi |
66732 | Elsmore, KS | 10.2 mi |
66015 | Colony, KS | 11.8 mi |
66748 | Humboldt, KS | 12.0 mi |
66716 | Bronson, KS | 13.7 mi |
66039 | Kincaid, KS | 13.9 mi |
66772 | Savonburg, KS | 14.2 mi |
66761 | Piqua, KS | 15.3 mi |
Find every ZIP code within 10 miles of 66751 →
Questions about this ZIP code
Where is ZIP code 66751?
66751 is in La Harpe, Kansas, in Allen County. Its published point location is 37.9296, -95.2898.
What county is 66751 in?
66751 lies in Allen County.
What area code is 66751?
La Harpe uses area code 620, from NANPA's telephone records.
What time zone is 66751 in?
66751 uses America/Chicago.
How many people live in 66751?
About 590 people live in ZIP code 66751, in 327 households, at 12.1 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 66751?
$48,417 a year, against $74,275 across Kansas.
What ZIP codes are near 66751?
The closest are 66742 (3.3 mi), 66755 (6.7 mi), 66749 (6.8 mi), 66732 (10.2 mi) and 66015 (11.8 mi).
Is 66751 a PO Box ZIP code?
66751 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “66751 ZIP Code — La Harpe, Kansas (Allen County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/66751
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/66751.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.