Riley is a city in Riley County, Kansas, home to about 943 people across 0.5 square miles. Its ZIP code is 66531.
Homes sold for a median of $144 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 Riley. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Riley’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)113 miles away |
|---|---|
| Closer regional airport | Manhattan Regional Airport (MHK)14 miles away |
| Nearest city of 250,000+ | Lincoln, NE105 miles away |
| Nearest city of 1 million+ | Dallas, TX449 miles away |
Straight-line distances from the center of Riley; 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.
Riley had 938 residents in the 2020 census, up 6% since 2000.
It’s the 212th largest of 721 towns in Kansas by population.
Riley County grew from 13,828 residents in 1900 to 71,959 in 2020.
Riley 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 16°F. About 33.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Tuttle Creek Lake, KS weather station (12 miles away).
20,580 jobs at 1,620 businesses in Riley 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.
Parks (2 nearby)
Libraries (2 nearby)
Museums (1 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Riley County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Riley County Grade SchoolRiley | Pre-K–8 | 514 | Public | 0.3 mi |
| Riley County High SchoolRiley | 9–12 | 232 | Public | 2.4 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 Bala.
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.