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Dorr

A township of 21,621 people in McHenry County, Illinois
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Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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About Dorr

Township in Illinois, United States
21,572Population
36 sq miArea

Dorr Township is located in McHenry County, Illinois. As of the 2020 census, its population was 21,752 and it contained 8,929 housing units. Dorr Township changed its name from Centre Township on December 28, 1850. It includes the census-designated place of Ridgefield.

Official town website ↗

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

Living in Dorr

Health in Dorr

B+

Health Grade B+

Healthier than 73% of U.S. towns on seven CDC estimates.

Compared with Illinois

4better than IL·1worse

of 32 measures CDC estimates. The other 27 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Mercyhealth Hospital & Physician Clinic-Crystal LaCrystal Lake · 5.9 mi · ER
Aunt Martha's Woodstock Community Health CenterWoodstock · 1 mi · sliding-scale fees
Primary careNo shortage
DentalNo shortage
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 60098, 60012, 60014 · CMS · HRSAHealth in Dorr →

Natural hazards in Dorr

7
Very low

Expected storm and flood damage is higher than in 7% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Dorr →

Schools in Dorr

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A−

School Grade A-

The public schools Dorr’s kids attend, from kindergarten through graduation, outperform 79% of Illinois’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#129Best public schoolsof 384 in IL
DistrictWoodstock CUSD 200Schools11

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.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01