Illinois · Census place 1705976

Big Rock, Illinois

Big Rock is a village in Kane County, Illinois with an estimated 1,086 residents on July 1, 2024. It is the 628th largest of 651 incorporated places of 1,000+ people in the state.

Population 2024
1,086
#628 of 651 in Illinois
Change since 2020
-1.6%
-18 people
Land area
4.3 sq mi
Density
251 / sq mi
State median 2,177
Orange pin: Big Rock. Shaded: its county. Dark pin: Springfield.

Big Rock population, 2020 to 2024

Big Rock lost 18 residents from July 2020 to July 2024, a change of -1.6%. In the latest year it moved by -2.

1,10420201,09920211,08920221,08820231,0862024
July 1 estimates. The April 2020 estimates base was 1,106. The axis starts above zero so yearly changes are visible.

Big Rock covers 4.32 square miles of land, for 251 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Big Rock is less dense than the typical town.

What county Big Rock is in

All of Big Rock's residents live in Kane County, which had 520,997 residents in 2024. Big Rock holds 0.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Big Rock

2 ZIP Code Tabulation Areas (ZCTAs) overlap Big Rock by at least 10% of the ZCTA's or the village's land: 60511, 60554. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a village that annexed land after 2020 may reach into ZIP codes not listed here.

Where Big Rock is

The Census internal point of Big Rock is at 41.766800, -88.526400. Springfield, the capital, is 149.3 miles SSW in a straight line. The nearest larger place is Sugar Grove, IL (9,339 people), 4.0 miles away. The nearest city of 100,000 or more is Aurora, IL, 12.2 miles away.

Internal point

Decimal
41.766800, -88.526400
DMS
41°46'0.48"N 88°31'35.04"W
UTM
16N 373125.0E 4625010.7N
Geohash
dp3j9e3j1
Plus code
86HHQF8F+PC

Daylight in Big Rock

At 41.77° N, Big Rock gets about 15 h 13 min of daylight around the June solstice and 9 h 08 min around the December solstice, a swing of 6 h 04 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Big Rock

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Sugar Grove, 4.0 miles away, with 9,339 people.

Questions people ask

What is the population of Big Rock, IL?

1,086 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 18 (1.6%) from 1,104 in July 2020.

What county is Big Rock in?

Kane County. All of its residents live in that county.

What ZIP codes cover Big Rock?

2 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 60511, 60554.

How far is Big Rock from Springfield?

149.3 miles (240.2 km) in a straight line, heading SSW from Big Rock.

What is the nearest larger city to Big Rock?

Sugar Grove, IL, with 9,339 residents, 4.0 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.