Allen is a city in Lyon County, Kansas, home to about 287 people across 0.3 square miles. Its ZIP code is 66833.
Homes sold for a median of $181 per square foot in the three months ending August 2026.
Mostly Allen; also Bushong
Each card is that ZIP code’s whole market, including any part outside Allen. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Allen’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Kansas City International Airport (MCI)90 miles away |
|---|---|
| Closer regional airport | Manhattan Regional Airport (MHK)43 miles away |
| Nearest city of 250,000+ | Wichita, KS92 miles away |
| Nearest city of 1 million+ | Dallas, TX406 miles away |
Straight-line distances from the center of Allen; 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.
Allen had 160 residents in the 2020 census, down 24% since 2000.
It’s the 379th 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 89°F in summer, and winter lows average 18°F. About 37.4 inches of rain and melted snow fall in a typical year, with about 18 inches of snow.
Source: NOAA 1991–2020 climate normals, Eskridge, KS weather station (15 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).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Public schools here are run by North Lyon County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Northern HeightsAllen | 9–12 | 102 | Public | 1.4 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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Shares ZIP codes with Bushong.
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.