Rock Island township Flag

Rock Island township

County Seat:
No
Area (mi²):
4.776
State:
Illinois

Rock Island township is located in Rock Island County, Illinois. Rock Island township has a 2025 population of 15,546. Rock Island township is currently declining at a rate of -0.38% annually and its population has decreased by -3.03% since the most recent census, which recorded a population of 16,032 in 2020.

The average household income in Rock Island township is $58,739 with a poverty rate of 30.33%. The median age in Rock Island township is 28 years: 28.7 years for males, and 26.9 years for females.

15.5K
Total Population
3,255
Density (mi²)
-59 -0.38%
Growth

Rock Island township Population

Rock Island township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rock Island township includes 55.58% White, 24.08% Black or African American, 6.38% other race, 3.43% Asian, and smaller percentages for Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native Hawaiian or Pacific Islander

Native American

Race
Population
Percentage (of total)
White8,83555.58%
Black or African American3,82824.08%
Two or more races1,4288.98%
Other race1,0146.38%
Asian5463.43%
Native Hawaiian or Pacific Islander1611.01%
Native American850.53%

Rock Island township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rock Island township's average per capita income is $39,090. Household income levels show a median of $40,783. The poverty rate stands at 30.33%.

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$81,117-
Families$54,511$69,982
Households$40,783$58,739
Non Families$33,090$45,644

$39,090

Average Income

$40,783

Median Household Income

30.33%

Poverty Rate

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)