Rock Island County, Illinois

IL · FIPS 17161 · ACS 2024 5-Year Estimates

Key Statistics

Total Population
142,757
Rank #474 of 3,222
85th %ile
Median Household Income
$67,159 −10.6% vs nat'l
Rank #1,419 of 3,222
56th %ile
Poverty Rate
15.5% +23.0% vs nat'l
Rank #2,042 of 3,222
37th %ile
Median Home Value
$150,400 −46.6% vs nat'l
Rank #2,250 of 3,222
30th %ile
Bachelor's Degree or Higher
24.7% −26.6% vs nat'l
Rank #1,265 of 3,222
61th %ile
Unemployment Rate
5.6% +5.2% vs nat'l
Rank #2,343 of 3,222
27th %ile

At a Glance

69.7% Homeownership
93.9% Insured
24.7% Bachelor's+

Age & Sex Distribution

MaleFemale
0-910-1920-2930-3940-4950-5960-6970-7980+10%5%0%5%10%

Race & Ethnicity

White (non-Hispanic)Hispanic or LatinoBlack (non-Hispanic)Two or More RacesAsian (non-Hispanic)Other (non-Hispanic)American Indian (non-Hispanic)Native Hawaiian/Pacific Islander0.0%14.0%28.0%42.0%56.0%67.4%14.2%10.9%4.4%2.6%0.4%0.1%0.0%

About Rock Island County, Illinois

Rock Island County, Illinois has a total population of 142,757, making it the 474th most populous county in the United States. The median age in Rock Island County is 40.3 years, which is 3.6% above the national median of 38.9 years.

The median household income in Rock Island County is $67,159, which ranks #1,419 of 3,222 counties nationwide. This is 10.6% below the national median of $75,149. The poverty rate is 15.5%, higher than the national rate of 12.6%. The unemployment rate stands at 5.6%.

The median home value in Rock Island County is $150,400, 46.6% below the national median. Renters in Rock Island County pay a median gross rent of $889 per month. The homeownership rate is 69.7%, compared to the national rate of 64.4%.

In Rock Island County, 24.7% of residents aged 25 and older hold a bachelor's degree or higher, 26.6% below the national average of 33.7%. Health insurance coverage stands at 93.9% of the population. The average commute time for workers is 21.7 min.

Rock Island County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 67.4% of the population, followed by Hispanic or Latino (14.2%) and Black (non-Hispanic) (10.9%).

All data for Rock Island County, Illinois comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.