Rockville Flag

Rockville

County:
Kankakee County
County Seat:
No
Area (mi²):
36.454
State:
Illinois

Rockville is located in Kankakee County, Illinois. Rockville has a 2025 population of 773 . Rockville is currently declining at a rate of 0% annually and its population has decreased by -1.53% since the most recent census, which recorded a population of 785 in 2020.

The average household income in Rockville is $111,023 with a poverty rate of 4.74%. The median age in Rockville is 47.5 years: 46.7 years for males, and 48.7 years for females. For every 100 females there are 126.2 males.

773
Total Population
21
Density (mi²)

Rockville Population

Rockville Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rockville includes 97.24% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

White (97.24%)

Two or more races (2.76%)

Race
Population
Percentage (of total)
White73997.24%
Two or more races212.76%

Rockville Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rockville's average per capita income is $58,125. Household income levels show a median of $125,938. The poverty rate stands at 4.74%.

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$135,972-
Families$135,417$129,950
Households$125,938$111,023
Non Families-$66,042

$58,125

Average Income

$125,938

Median Household Income

4.74%

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)