Dewey is a community in Champaign County, Illinois, home to about 89 people across 0.1 square miles. It has no ZIP code of its own: it’s part of 61840.
Homes sold for a median of $251 per square foot in the three months ending August 2026, a buyer’s market.
Part is in Dewey, part in Mahomet
Each card is that ZIP code’s whole market, including any part outside Dewey. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Dewey’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Dewey well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Chicago Midway International Airport (MDW)105 miles away |
|---|---|
| Closer regional airport | University of Illinois Willard Airport (CMI)19 miles away |
| Nearest city of 250,000+ | Chicago, IL110 miles away |
Straight-line distances from the center of Dewey; 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.
It’s the 1352nd largest of 1,450 towns in Illinois by population.
Champaign County grew from 47,622 residents in 1900 to 205,865 in 2020.
Champaign 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 40.3 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Rantoul, IL weather station (6 miles away).
73,261 jobs at 4,237 businesses in Champaign 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 Dewey? 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…
Shares ZIP codes with Mahomet.
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.