Big RockIL

A town of 1,548, settled in 2001. Healthier than 82% of U.S. towns.

1 bordering townMap →

Photo: Jauerback · CC BY-SA 4.0

Population

1,548

−2% since 2010

Median home value

$338K

Census ACS

Household income

$163K

median

Median age

49.4

years

Jobs based here

423

A commuter town

What makes Big Rock stand out

The thing Big Rock does most differently from other towns.

Picked automatically from the data

100 U.S. towns● Big Rock

Health

Healthier than 82%

of U.S. towns on CDC estimates

Better than IL on 9 measures, worse on 1.

A commuter town

98% of working residents leave Big Rock for work

Where Big Rock’s working residents go each day. Line width shows the share.

423jobs based in Big Rock

2%of working residents work in town

20 mimedian commute distance

Census LEHD 2023

Big Rock’s report card

See the data ↓

HealthA−Healthier than 82% of U.S. towns Commute20 miHalf of commuters travel less Hazards27/100Low risk of storm & flood damage Climate84°/15°Summer high · winter low · 39″ snow Outdoors3 miof trails · 2.9% conserved

Now in Big Rock

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Residents weigh in

Live in Big Rock? Is an A− for health right?

Your answer becomes a post in Big Rock’s Town Square.

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Weather

Forecast →

45°

Fog/Mist

H 74° · L 51°

Upcoming events

Nothing on the calendar.

The data

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

Health

Healthier than 82% of U.S. towns

Big Rock beats the Illinois average on 9 of 32 CDC measures and trails it on 1.

A−Health Grade

32 measures vs. Illinois

9 better22 too close to call1 worse

What stands out	Big Rock	IL
Fewer adults facing food insecurity	9%	15.9%
Fewer uninsured adults	6.1%	9.9%
More adults who have had cancer	9.8%	7.6%

Presence Mercy Medical Center

10.3 mi away · emergency room

1 of 3

care shortages: mental health

81st

percentile among IL towns

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSAFull health report →

Work & commute

Most working residents commute out of Big Rock

Most working residents leave Big Rock for work: only 2% work in town. The top destinations are Chicago (8%), St. Charles (5%) and Batavia (5%). Half commute less than 20 miles.

2%work in town

Where working residents work

In Big Rock2%

Chicago8%

St. Charles5%

Batavia5%

Naperville4%

20 mi

median commute distance

423

jobs based in Big Rock

A commuter town

jobs vs. working residents

Census LEHD 2023 · ACSCommute map →

Natural hazards

Low risk, with inland flooding at the top

Expected storm and flood damage is higher than in 27% of U.S. communities.

27risk score of 100

FEMA risk score

Inland floodingCold wavesTornadoes

federal disasters paid out here

FEMA National Risk Index · OpenFEMANatural hazards →

Climate

Four seasons, pleasant summers

Big Rock has cold, snowy winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 15°, and about 39 inches of snow falls in a normal winter.

39″snow a winter

Typical low → high °F

Winter18–34°

Spring38–60°

Summer61–82°

Fall42–62°

Oct 13

typical first frost

Apr 28

typical last frost

+1.1°

vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020Full climate →

Outdoors

2.9% of Big Rock is conserved land

2.9 miles of trails across 2 parks and preserves.

2.9%conserved

Map of Big Rock: conserved land, trails and the top places to walk — Green: conserved land · dashed: trails · numbers: the places below

2.9%

conserved · 80 of 2,748 acres

2.9 mi

of trails · 0.7 per sq mi

Biggest places to walk	Trails	Acres
1. Big Rock Forest Preserve	2.5 mi	207
2. Big Rock Community Park	—	16

Housing

Homes in Big Rock sell for about $210K

The median sale price was $210,000 in April 2026.

$210Kmedian sale price

homes sold in April

Zillow Home Value Index · Redfin Data CenterHousing market →

1996 · 19960615 25 BNSF · Wikimedia Commons

Big Rock’s story

25 years in pictures

6 postcards, papers and photographs from public archives.

2001Big Rock is settled
199619960615 25 BNSF
200320030608 01 House being moved

Explore the history →

About Big Rock

Village in Illinois, United States

Big Rock is a village in Kane County, Illinois, United States. It is located approximately 50 miles (80 km) due west of Chicago. It is between the villages of Hinckley and Sugar Grove. The village was incorporated on July 26, 2001. As of the 2020 census it had a population of 1,104.

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