Dunham Township is located in McHenry County, Illinois, USA. As of the 2010 census, its population was 2,844 and it contained 1,035 housing units. It includes southern portions of Harvard, most of the city being in Chemung Township, and part of the census-designated place of Chemung. Dunham Township changed its name from Byron Township on December 28, 1850, to avoid confusion with Byron Township and to honor a resident, Solomon J. Dunham.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Dunham ranks

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#315Highest income in IL #326Lowest obesity in IL #375Lowest depression in IL All IL rankings →

Town numbers

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Living in Dunham

Work & commute in Dunham

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Most working residents leave Dunham for work: only 5% work in town. The top destinations are Chicago (10%), Harvard (9%) and Woodstock (8%). Half commute less than 25 miles.

Chicago

10%

Harvard

Woodstock

Crystal Lake

5%Work in townlive and work in Dunham 25 miWhere do people commute?the commute map 1,108Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Dunham →

Health in Dunham

B⁻

Health Grade B−

Healthier than 49% of U.S. towns on seven CDC estimates.

Compared with Illinois

6worse than IL

of 32 measures CDC estimates. The other 26 are too close to call.

Conditions 1▼ 11 close Habits all close Care 3▼ 4 close Mind 2▼ 3 close Everyday needs all close

BetterToo close to callWorse

What stands out

14.6%More uninsured adultsIL 9.9% · worse 13%More older adults who have lost all their teethIL 10.3% · worse 21.7%More adults in fair or poor healthIL 18.6% · worse

Care nearby

Mercy Harvard HospitalHarvard · 4.5 mi · ER · rural critical access

Susana P. Castro Health Center - Dental ClinicHarvard · 4.1 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 60033, 61038, 60152 · CMS · HRSAHealth in Dunham →

Natural hazards in Dunham

Very low

Expected storm and flood damage is higher than in 13% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

0Does Dunham flood?no paid flood claims on record NoneDisasters that paid out hereof 14 declared for McHenry County MapDunham vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Dunham →

Climate in Dunham

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Dunham has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 13°, and about 32 inches of snow falls in a normal winter.

32° / 16°Winter

58° / 37°Spring

81° / 60°Summer

61° / 40°Fall

How much snow does Dunham get?About 32 inches a winter.Rain & snow →When is the first frost?Around Oct 12, with the last in spring around Apr 28.Frost dates →Is it warmer than it used to be?+1.0° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Dunham →

Schools in Dunham

All Dunham schools →

D⁻

School Grade D-

The public schools Dunham’s kids attend, from kindergarten through graduation, trail 97% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

See how Dunham’s schools compare in IL →

DistrictHarvard CUSD 50Schools1

Crosby Elem Sch DElementary · Grades K–3 · 655 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within IL. Ratings are from neighbors.