Kankakee County vs Rock Island County
A side-by-side comparison of Kankakee County and Rock Island County: population, income, housing, and more.
Kankakee County and Rock Island County are counties in Illinois. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Rock Island County has the higher population (142,995 vs 106,833 in Kankakee County). Kankakee County has the higher median household income ($68,325 vs $66,768 in Rock Island County). Kankakee County has the higher median home value ($185,700 vs $144,700 in Rock Island County).
Population, income & housing
| Kankakee County | Rock Island County | |
|---|---|---|
| Population | 106,833 | 142,995 |
| Median age | 39.0 yrs | 40.3 yrs |
| Median household income | $68,325 | $66,768 |
| Median home value | $185,700 | $144,700 |
| Median gross rent | $1,075 | $863 |
| Housing units | 45,396 | 66,742 |
| Homeownership rate | 68.8% | 68.6% |
| Bachelor's degree or higher | 20.4% | 24.1% |
| Unemployment rate | 5.1% | 5.7% |
Trends (ACS 5-year, 2019–2023)
| Kankakee County | Rock Island County | |
|---|---|---|
| Population | 110,637 → 106,833 (-3.4%) | 143,873 → 142,995 (-0.6%) |
| Median household income | $58,902 → $68,325 (+16.0%) | $54,858 → $66,768 (+21.7%) |
| Median home value | $147,900 → $185,700 (+25.6%) | $119,400 → $144,700 (+21.2%) |
| Median gross rent | $887 → $1,075 (+21.2%) | $748 → $863 (+15.4%) |
Kankakee County
110,637106,833
$58,902$68,325
$147,900$185,700
$887$1,075
Rock Island County
143,873142,995
$54,858$66,768
$119,400$144,700
$748$863
Age & race/ethnicity
Age distribution (share)
| Kankakee County | Rock Island County | |
|---|---|---|
| Under 5 | 5.8% | 5.9% |
| 5 to 17 | 17.2% | 16.7% |
| 18 to 24 | 9.8% | 8.8% |
| 25 to 34 | 12.5% | 12.0% |
| 35 to 44 | 12.0% | 12.2% |
| 45 to 54 | 12.1% | 11.4% |
| 55 to 64 | 13.1% | 13.0% |
| 65 to 74 | 10.3% | 11.7% |
| 75 and over | 7.2% | 8.4% |
Race & ethnicity (share)
| Kankakee County | Rock Island County | |
|---|---|---|
| White (non-Hispanic) | 68.9% | 68.5% |
| Black or African American | 14.6% | 10.4% |
| American Indian & Alaska Native | 0.1% | 0.1% |
| Asian | 1.0% | 2.5% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.3% | 0.2% |
| Two or more races | 3.1% | 4.2% |
| Hispanic or Latino | 12.1% | 14.0% |
Educational attainment (age 25+)
Share of adults 25+
| Kankakee County | Rock Island County | |
|---|---|---|
| No high school diploma | 9.0% | 9.8% |
| High school graduate | 35.8% | 30.7% |
| Some college or associate's | 34.8% | 35.5% |
| Bachelor's degree | 12.4% | 15.1% |
| Graduate or professional degree | 7.9% | 9.0% |
Commute to work
How workers get to work (share)
| Kankakee County | Rock Island County | |
|---|---|---|
| Drove alone | 79.1% | 79.1% |
| Carpooled | 7.8% | 8.3% |
| Public transit | 1.1% | 1.5% |
| Walked | 2.9% | 3.2% |
| Bicycle | 0.2% | 0.2% |
| Worked from home | 7.2% | 6.7% |
| Other means | 1.6% | 1.0% |
Housing
Units in structure (share)
| Kankakee County | Rock Island County | |
|---|---|---|
| 1-unit, detached | 71.2% | 69.9% |
| 1-unit, attached | 4.3% | 4.1% |
| 2 to 4 units | 7.4% | 7.2% |
| 5 to 19 units | 6.9% | 8.7% |
| 20 or more units | 3.5% | 7.6% |
| Mobile home & other | 6.7% | 2.5% |
Poverty & households
| Kankakee County | Rock Island County | |
|---|---|---|
| Poverty rate | 12.5% | 15.4% |
| Average household size | 2.50 | 2.26 |
| Mean commute (minutes) | 25 | 20 |
| Median year structure built | 1971 | 1962 |
Full profiles
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