Big Rock Flag

Big Rock

County:
Kane County
County Seat:
No
Area (mi²):
4.318
State:
Illinois

Big Rock is a village located in Kane County, Illinois. Big Rock has a 2026 population of 1,077. Big Rock is currently declining at a rate of -0.37% annually and its population has decreased by -2.45% since the most recent census, which recorded a population of 1,104 in 2020.

The median household income in Big Rock is $162,854 with a poverty rate of 3.23%. The median age in Big Rock is 49.4 years: 51.2 years for males, and 49.3 years for females. For every 100 females there are 92.1 males.

1.1K
Total Population
249
Density (mi²)
-4 -0.37%
Growth

Big Rock Population

Big Rock Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,077-4-0.37%
20251,081-5-0.46%
20241,086-2-0.18%
20231,088-1-0.09%
20221,089-10-0.91%
20211,099-5-0.45%
20201,104-2-0.18%
20191,129-10-0.88%
20181,139-9-0.78%
20171,148-4-0.35%
20161,15200%
20151,15230.26%
20141,14970.61%
20131,14220.18%
20121,14020.18%
20111,138121.07%
20101,13310.09%

Median Age

Overall: 49.4 years
Female: 49.3 years
Male: 51.2 years

Big Rock Adults

There are 1,256 adults, (184 of whom are seniors) in Big Rock.

Sex Ratio

Female: 806 (52.1%)
Male: 742 (47.9%)

Demographics

The racial composition of Big Rock includes 74.94% White, and smaller percentages for Asian, Black or African American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,16074.94%
Two or more races37023.9%
Asian120.78%
Black or African American30.19%
Other race30.19%
Race
Population ↓
Percentage (of total)
Two or more races855.49%
White644.13%
Other race30.19%
Race
Population ↓
Percentage (of total)
White1,09670.8%
Two or more races28518.41%
Asian120.78%
Black or African American30.19%

Big Rock Marital Status

Economics and Income Statistics

Big Rock 's average per capita income is $68,824. Household income levels show a median of $162,854. The poverty rate stands at 3.23%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$163,173-
Families$163,148$153,906
Households$162,854$146,550
Non Families$89,167$94,821

$68,824

Average Income

$162,854

Median Household Income

3.23%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)