ChemungIL
239 people live in this town, settled in 1845.
Is Chemung a good place to live?
Chemung’s age of the median resident is 69.9 years, against 40.7 years in Illinois’ towns and 40.5 years across U.S. towns. No town among the 769 in Illinois we compare has a lower share of adults with a bachelor’s degree than Chemung. Chemung has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
239 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
The data
Ordered by what stands out in Chemung.
Most of Chemung’s workers head elsewhere: there are 0.6 jobs for each of them
The median commute is under 28 miles. Since 2013, Chemung has added 70 jobs, to 94 in 2023. The top destinations are Harvard (12%), Chicago (8%) and Crystal Lake (5%). The town’s median household income is $68,000.
Where working residents work
Census LEHD 2023 · ACS
Top of a low hazard risk in Chemung: inland flooding
The risk rating from FEMA in Chemung is 26 of 100. 50% of the town’s expected losses from natural hazards come from inland flooding, followed by cold waves at 21%. Expected storm and flood damage is lower than in nearly three quarters of U.S. communities.
FEMA National Risk Index · OpenFEMA
Expect four seasons and pleasant summers in Chemung
Expect July afternoons of 83° and January nights of 13°, with about 32 inches of snow a winter.
Typical low → high °F
NOAA U.S. Climate Normals, 1991–2020
How healthy Chemung is
15% of Chemung adults have diabetes. CDC measures, 32 in all: Chemung beats Illinois on 1 and trails on 13.
| Chemung | Illinois towns | U.S. towns | |
|---|---|---|---|
| High blood pressure (CDC PLACES) | 41% | 35% | 35% |
| Diabetes (CDC PLACES) | 15% | 11% | 12% |
| No health insurance, 18–64 (CDC PLACES) | 13% | 7.9% | 8.1% |
| Fair or poor health (CDC PLACES) | 24% | 18% | 19% |
| What stands out | Chemung | IL |
|---|---|---|
| More adults treating high blood pressure | 78.8% | 75.7% |
| More adults with COPD | 9.3% | 6.3% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
0.2% of the land in Chemung is protected from building
Parks and preserves in Chemung: one, of 2 acres.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Beck's Woods | — | 2 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Everything we know about Chemung
Six Flags Great America and 18 more within 40 miles
Museums, parks, gardens and other places to visit around Chemung. Close and well known come first.
37 mi Theme parkSix Flags Great America3.0M visitors a year
15 mi MuseumIllinois Railway Museum
25 mi TheatreAlpine Valley Music Theatre
24 mi Stadium & arenaBMO Center26 mi MuseumVolo Auto Museum
31 mi Theme parkSanta's Village Amusement & Water ParkPhoto credits
Six Flags Great America: Feather Better, CC BY 4.0 · Illinois Railway Museum: The original uploader was Slambo at English Wikipedia., CC BY-SA 2.0 · Alpine Valley Music Theatre: chad davis, CC BY-SA 2.0 · BMO Center: SimLibrarian, CC0 · Santa's Village Amusement & Water Park: Martin Lewison from The Hague, Zuid-Holland, The Netherlands, CC BY-SA 2.0
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Moving to Chemung: who provides what
Chemung is unincorporated, so McHenry County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Sep 12, 2025.
100% of working residents leave Chemung for work
Where Chemung’s working residents go each day. Line width shows the share.
Census LEHD 2023
Colleges nearby
None within 15 miles of Chemung; the nearest are
About 0 of every 100 Chemung residents are enrolled in college, against 6 across Illinois.
About Chemung
Census-designated place in Illinois, United States
Chemung, elevation 896 feet (273 meters), is an unincorporated census-designated place in McHenry County, Illinois, United States. Per the 2020 census, the population was 276.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Area
- 0.3 sq mi
- Area code
- 815
Questions about Chemung
Short answers, built from the data on this page.
Is Chemung, IL a good place to live?
Chemung has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
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