Kilbourne is a village in Mason County, Illinois, home to about 268 people across 0.9 square miles. Its ZIP code is 62655.
Mostly Kilbourne
We’re writing up Kilbourne’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Kilbourne well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | St. Louis Lambert International Airport (STL)99 miles away |
|---|---|
| Closer regional airport | Abraham Lincoln Capital Airport (SPI)28 miles away |
| Nearest city of 250,000+ | St. Louis, MO106 miles away |
| Nearest city of 1 million+ | Chicago, IL167 miles away |
Straight-line distances from the center of Kilbourne; 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.
Kilbourne had 265 residents in the 2020 census, down 29% since 2000.
It’s the 1119th largest of 1,450 towns in Illinois by population.
Mason County grew from 17,491 residents in 1900 to 13,086 in 2020.
Mason County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 16°F. About 41.1 inches of rain and melted snow fall in a typical year, with about 28 inches of snow.
Source: NOAA 1991–2020 climate normals, Havana, IL weather station (10 miles away).
1,974 jobs at 255 businesses in Mason 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.
Buying or selling around Kilbourne? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
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.