66865
ZIP 66865 is Olpe, Kansas, mostly in Lyon County; area code 620; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Lyon +1 more
- Metro area
- Emporia, KS
- Population
- 1,105
- Coordinates
- 38.2089, -96.2745
Weather right now
Asking the National Weather Service…
Where 66865 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 66865 into a pocket calculator and turn it upside down: SgBgg — not quite a word, sorry.
- ➕ As a number, 66,865 = 5 × 43 × 311. Its digits add up to 31, a total 799 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10000010100110001 - 🏠 Its numerical neighbours: 66864 (Neosho Rapids, KS, 19 mi away) and 66866 (Peabody, KS, 45 mi away).
- 🔄 Backwards, 66865 becomes 56866, which is not a ZIP code at all.
- 👥 6 other ZIP codes are made of exactly the same digits (56668, 56686, 65668, 65686, 66856, 68665). The farthest-flung twin is 56686 in Williams, MN, 734 miles away.
- 🧭 Farther south than 57% of all ZIP codes, and farther west than 72%.
- 🎯167 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 66865 and you would come out at 38.21°S, 83.73°E — 1,020 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 50m of daylight. Shortest: 9h 30m.
- 📏 At 149.0 square miles of land, 66865 is bigger than 86% of ZIP codes — room for about 113 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,105This ZIP1,105 |
|---|---|
| Households | 396This ZIP396 |
| Housing units | 460This ZIP460 |
| Median age | 33.8This ZIP33.8Kansas37.4US 38.9 |
| Median household income | $93,333This ZIP$93,333Kansas$74,275US $80,734 |
| Median home value | $181,600This ZIP$181,600Kansas$217,200US $332,700 |
| Median gross rent | $732This ZIP$732Kansas$1,060US $1,413 |
| Bachelor's degree or higher | 33.9%This ZIP33.9% |
| Mean commute | 20.1 minThis ZIP20.1 min |
| Population density | 7.4 / sq miThis ZIP7.4 / sq mi |
Business and tax activity
| Business establishments | 21This ZIP21 |
|---|---|
| Employees | 118This ZIP118 |
| Annual payroll | $4,560,000This ZIP$4,560,000 |
| Tax returns filed | 500This ZIP500 |
| Total adjusted gross income | $35,622,000This ZIP$35,622,000 |
Land area
| Land area | 149.03 sq miThis ZIP149.03 sq mi |
|---|---|
| Water area | 1.06 sq miThis ZIP1.06 sq mi |
Counties 66865 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Lyon County | 66.5% |
| Chase County | 33.5% |
Other place names in 66865
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 66865
| ZIP | City | Distance |
|---|---|---|
66860 | Madison, KS | 8.2 mi |
66845 | Cottonwood Falls, KS | 14.1 mi |
66801 | Emporia, KS | 14.3 mi |
66853 | Hamilton, KS | 14.5 mi |
66855 | Lamont, KS | 15.0 mi |
66862 | Matfield Green, KS | 15.7 mi |
66854 | Hartford, KS | 15.8 mi |
66864 | Neosho Rapids, KS | 18.8 mi |
66835 | Americus, KS | 22.0 mi |
66869 | Strong City, KS | 22.2 mi |
Find every ZIP code within 10 miles of 66865 →
Questions about this ZIP code
Where is ZIP code 66865?
66865 is in Olpe, Kansas, in Lyon County, part of the Emporia, KS micropolitan area. Its published point location is 38.2089, -96.2745.
What county is 66865 in?
66865 spans 2 counties: Lyon County and Chase County. Most of it falls in Lyon 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 66865?
Olpe uses area code 620, from NANPA's telephone records.
What time zone is 66865 in?
66865 uses America/Chicago.
How many people live in 66865?
About 1,105 people live in ZIP code 66865, in 396 households, at 7.4 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 66865?
$93,333 a year, against $74,275 across Kansas.
What ZIP codes are near 66865?
The closest are 66860 (8.2 mi), 66845 (14.1 mi), 66801 (14.3 mi), 66853 (14.5 mi) and 66855 (15 mi).
Is 66865 a PO Box ZIP code?
66865 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “66865 ZIP Code — Olpe, Kansas (Lyon County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/66865
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/66865.json Underlying data is public domain or openly licensed — sources, vintages and licences.