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Illinois›McHenry County

DorrIL

A town of 21,621. Nearly 7.5% of it is conserved land.

Population
21,621
+3.2% since 2010
Median home value
$267K
Census ACS
Household income
$88K
median
Median age
41.7
years
Jobs based here
9,070
Balanced

What makes Dorr stand out

The 3 things Dorr does most differently from other towns.

Picked automatically from the data

Dorr’s report card

See the data ↓

Now in Dorr

What neighbors are saying. Town Square →

TUnder 10 neighbors so farJoin Dorr →
Residents weigh in
Dorr is #56 of 691 in IL for “Coolest summers”. Fair?
Your answer becomes a post in Dorr’s Town Square.
TT Weaver · 1w · Town talk

Best Breakfast in Dorr

I was driving to work this morning and my commute was quicker than usual, only 25 minutes, which got me thinking about how nice it would be to…

Or start one of these
52°
Mostly Cloudy
H 63° · L 42°

Upcoming events

Nothing on the calendar.

The data

Ordered by what stands out in Dorr. Another town gets a different order.

Outdoors

7.5% of Dorr is conserved land

22 miles of trails across 21 parks and preserves.

#217for trails in IL
Map of Dorr: conserved land, trails and the top places to walk
Green: conserved land · dashed: trails · numbers: the places below
7.5%
conserved · 1,717 of 22,865 acres
22 mi
of trails · 0.6 per sq mi
#209
most conserved land in IL
Biggest places to walkTrailsAcres
1. Pleasant Valley3.9 mi328
2. Emricson Park3.5 mi118
3. Hennen Conservation Area1.8 mi23
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-USParks & trails →
Schools

Dorr’s public schools outperform 79% of Illinois districts

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.

A−School Grade
SchoolGradesStudentsGrade
Olson Elementary SchoolK–5425B
Prairiewood Elem Sch1–5374B−
Dean Street Elem SchoolPK–5302C+
St. Mary Catholic School PrivatePK–8150
Crystal Lake Montessori School PrivatePK–8143
Lord & Savior Lutheran School & Preschool PrivatePK–315
NCES · EDFacts · graded within IL on state tests and graduationAll 11 schools →
Natural hazards

Very low risk, with inland flooding at the top

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

7risk score of 100
FEMA risk score
7Very low riskLowerHigher
Inland floodingTornadoesCold waves
11
paid flood claims since 1979
1
federal disasters paid out here
FEMA National Risk Index · OpenFEMANatural hazards →
Health

Healthier than 73% of U.S. towns

Dorr beats the Illinois average on 4 of 32 CDC measures and trails it on 1.

B+Health Grade
32 measures vs. Illinois
4 better27 too close to call1 worse
What stands outDorrIL
Fewer adults facing food insecurity13.2%15.9%
Fewer adults facing a utility shut-off6.5%7.8%
More adults who have had cancer8.5%7.6%
Mercyhealth Hospital & Physician Clinic-Crystal La
5.9 mi away · emergency room
1 of 3
care shortages: mental health
71st
percentile among IL towns
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSAFull health report →
Work & commute

About one in seven working residents works right in Dorr

Most working residents leave Dorr for work: only 15% work in town. The top destinations are Woodstock (15%), Crystal Lake (9%) and Chicago (9%). Half commute less than 20 miles.

15%work in town

Where working residents work

In Dorr15%
Woodstock15%
Crystal Lake9%
Chicago9%
McHenry5%
20 mi
median commute distance
9,070
jobs based in Dorr
Balanced
jobs vs. working residents
Census LEHD 2023 · ACSCommute map →
Climate

Four seasons, pleasant summers

Dorr has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 14°, and about 35 inches of snow falls in a normal winter.

35″snow a winter

Typical low → high °F

Winter17–32°
Spring37–58°
Summer60–81°
Fall41–61°
Oct 22
typical first frost
Apr 25
typical last frost
+1.1°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020Full climate →

About Dorr

Township in Illinois, United States

Official town website ↗

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.

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

Population
21,572
Area
36 sq mi

Dorr’s neighbors

7 towns share a border with Dorr.

Explore the map →

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