Harmon is a village in Lee County, Illinois, home to about 100 people across 0.1 square miles. It has no ZIP code of its own: it’s part of 61042.
Part is in Harmon
We’re writing up Harmon’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Harmon well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Chicago O'Hare International Airport (ORD)88 miles away |
|---|---|
| Closer regional airport | Chicago Rockford International Airport (RFD)42 miles away |
| Nearest city of 250,000+ | Madison, WI96 miles away |
| Nearest city of 1 million+ | Chicago, IL98 miles away |
Straight-line distances from the center of Harmon; 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.
Harmon had 111 residents in the 2020 census, down 26% since 2000.
It’s the 1335th largest of 1,450 towns in Illinois by population.
Lee County grew from 29,894 residents in 1900 to 34,145 in 2020.
Lee County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 13°F. About 36.7 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, Walnut, IL weather station (10 miles away).
10,894 jobs at 690 businesses in Lee 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 Harmon? 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.