Rock Island County, IL — Population & Demographics
Rock Island County, IL has a population of 142,995. The median household income is $66,768 and the median age is 40.3.
142,995
Population
$66,768
Median Income
$144,700
Median Home Value
40.3
Median Age
Race & Ethnicity
| White | 73.0% |
| Black or African American | 11.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.4% |
| Two or More Races | 0.2% |
Economy & Income
$66,768
Median Household Income
$35,753
Per Capita Income
11.1%
Poverty Rate
3.5%
Unemployment
Housing
$144,700
Median Home Value
$863
Median Rent
68.6%
Homeownership
Education
90.2%
High School+
24.1%
Bachelor's+
Frequently Asked Questions
Rock Island County, IL has a population of 142,995 according to Census ACS 2023 data.
The median household income in Rock Island County, IL is $66,768.
Data from the American Community Survey (ACS) 5-Year estimates.