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 2026 population of 15,894. Rock Island township is currently growing at a rate of 0.34% annually but its population has decreased by -0.84% since the most recent census, which recorded a population of 16,028 in 2020.

The median household income in Rock Island township is $41,155 with a poverty rate of 32.85%. The median age in Rock Island township is 27 years: 26.6 years for males, and 27.5 years for females. For every 100 females there are 102.5 males.

15.9K
Total Population
3,328
Density (mi²)
54 0.34%
Growth

Rock Island township Population

Rock Island township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202615,894540.34%
202515,840540.34%
202415,786540.34%
202315,732-14-0.09%
202215,746-102-0.64%
202115,848-180-1.12%
202016,028-41-0.26%
201916,992-111-0.65%
201817,103-175-1.01%
201717,278-155-0.89%
201617,433-167-0.95%
201517,600-116-0.65%
201417,716-61-0.34%
201317,777-12-0.07%
201217,789-27-0.15%
201117,816400.23%
201017,799-5-0.03%

Median Age

Overall: 27 years
Female: 27.5 years
Male: 26.6 years

Rock Island township Adults

There are 12,317 adults, (2,167 of whom are seniors) in Rock Island township.

Sex Ratio

Female: 7,819 (49.4%)
Male: 8,012 (50.6%)

Demographics

The racial composition of Rock Island township includes 55.02% White, 24.26% Black or African American, 6.42% other race, and smaller percentages for Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White8,71155.02%
Black or African American3,84124.26%
Two or more races1,65310.44%
Other race1,0176.42%
Asian3462.19%
Native Hawaiian or Pacific Islander1641.04%
Native American990.63%
Race
Population ↓
Percentage (of total)
Other race8855.59%
Two or more races8465.34%
White5993.78%
Black or African American5753.63%
Native Hawaiian or Pacific Islander1641.04%
Native American680.43%
Race
Population ↓
Percentage (of total)
White8,11251.24%
Black or African American3,26620.63%
Two or more races8075.1%
Asian3462.19%
Other race1320.83%
Native American310.2%

Rock Island township Marital Status

Economics and Income Statistics

Rock Island township 's average per capita income is $39,688. Household income levels show a median of $41,155. The poverty rate stands at 32.85%.

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$76,875-
Families$53,258$68,965
Households$41,155$58,456
Non Families$31,419$45,749

$39,688

Average Income

$41,155

Median Household Income

32.85%

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)