Chemung is a community in McHenry County, Illinois, home to about 239 people across 0.3 square miles. It has no ZIP code of its own: it’s part of 60033.
Homes sold for a median of $174 per square foot in the three months ending August 2026, a seller’s market.
Mostly Harvard; part is in Chemung
Each card is that ZIP code’s whole market, including any part outside Chemung. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Chemung’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago O'Hare International Airport (ORD)47 miles away |
|---|---|
| Closer regional airport | Chicago Rockford International Airport (RFD)30 miles away |
| Nearest city of 250,000+ | Milwaukee, WI55 miles away |
| Nearest city of 1 million+ | Chicago, IL62 miles away |
Straight-line distances from the center of Chemung; 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.
Chemung had 276 residents in the 2020 census, down 10% since 2010.
It’s the 1153rd largest of 1,450 towns in Illinois by population.
McHenry County grew from 29,759 residents in 1900 to 310,229 in 2020.
McHenry County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 13°F. About 37.7 inches of rain and melted snow fall in a typical year, with about 31 inches of snow.
Source: NOAA 1991–2020 climate normals, Marengo, IL weather station (11 miles away).
87,684 jobs at 8,140 businesses in McHenry County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
49 doctors and other health care providers list an office in Chemung.
Nearest hospitals
Providers with an office here
| Primary care doctors | 5 |
|---|---|
| Specialist doctors | 12 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 3 |
| Mental health providers | 10 |
| Physical and occupational therapists | 10 |
| Optometrists | 1 |
| Chiropractors | 3 |
| Pharmacies | 2 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (4 nearby)
Grocery stores (3 nearby)
Pharmacies
Libraries (1 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 Harvard CUSD 50. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Washington Elem SchoolHarvard | Pre-K | 150 | Public | 0.9 mi |
| Crosby Elem SchHarvard | K–3 | 655 | Public | 1.6 mi |
| Jefferson Elem SchoolHarvard | 4–5 | 319 | Public | 0.6 mi |
| Harvard Jr High SchoolHarvard | 6–8 | 593 | Public | 0.6 mi |
| Harvard High SchoolHarvard | 9–12 | 815 | Public | 0.5 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 Harvard, Lawrence, Alden and Big Foot Prairie.
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.