Olpe is a city in Lyon County, Kansas, home to about 565 people across 0.7 square miles. Its ZIP code is 66865.
Homes sold for a median of $125 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Olpe. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Kansas City International Airport (MCI)107 miles away |
|---|---|
| Closer regional airport | Manhattan Regional Airport (MHK)66 miles away |
| Nearest city of 250,000+ | Wichita, KS74 miles away |
| Nearest city of 1 million+ | Dallas, TX379 miles away |
Straight-line distances from the center of Olpe; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Olpe had 519 residents in the 2020 census, up 3% since 2000.
It’s the 278th largest of 721 towns in Kansas by population.
Lyon County grew from 25,074 residents in 1900 to 32,179 in 2020.
Lyon County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 21°F. About 34.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Emporia Muni Ap, KS weather station (5 miles away).
13,175 jobs at 839 businesses in Lyon County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
2 doctors and other health care providers list an office in Olpe.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 2 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Public schools here are run by Southern Lyon County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Olpe ElementaryOlpe | Pre-K–5 | 149 | Public | 1.1 mi |
| Olpe Jr./Sr. High SchoolOlpe | 6–12 | 179 | Public | 1.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.