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 2025 population of 1,081 . Big Rock is currently declining at a rate of -0.46% annually and its population has decreased by -2.08% since the most recent census, which recorded a population of 1,104 in 2020.

The average household income in Big Rock is $140,371 with a poverty rate of 4.55%. The median age in Big Rock is 40.6 years: 39 years for males, and 40.9 years for females. For every 100 females there are 99.3 males.

1.1K
Total Population
250
Density (mi²)
-5 -0.46%
Growth

Big Rock Population

Big Rock Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Big Rock includes 91.72% White, and smaller percentages for Asian, Black or African American, other race and multiracial populations.

Population by Race

White (91.72%)

Two or more races (6.46%)

Asian (1.24%)

Black or African American (0.33%)

Other race (0.25%)

Race
Population
Percentage (of total)
White1,10891.72%
Two or more races786.46%
Asian151.24%
Black or African American40.33%
Other race30.25%

Big Rock Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Big Rock's average per capita income is $69,236. Household income levels show a median of $126,667. The poverty rate stands at 4.55%.

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$136,354-
Families$136,250$150,335
Households$126,667$140,371
Non Families$87,813$97,398

$69,236

Average Income

$126,667

Median Household Income

4.55%

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)