LaSalle County vs Rock Island County
A side-by-side comparison of LaSalle County and Rock Island County: population, income, housing, and more.
LaSalle 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 109,049 in LaSalle County). LaSalle County has the higher median household income ($72,281 vs $66,768 in Rock Island County). LaSalle County has the higher median home value ($154,900 vs $144,700 in Rock Island County).
Population, income & housing
| LaSalle County | Rock Island County | |
|---|---|---|
| Population | 109,049 | 142,995 |
| Median age | 42.1 yrs | 40.3 yrs |
| Median household income | $72,281 | $66,768 |
| Median home value | $154,900 | $144,700 |
| Median gross rent | $906 | $863 |
| Housing units | 49,838 | 66,742 |
| Homeownership rate | 73.9% | 68.6% |
| Bachelor's degree or higher | 18.7% | 24.1% |
| Unemployment rate | 5.7% | 5.7% |
Trends (ACS 5-year, 2019–2023)
| LaSalle County | Rock Island County | |
|---|---|---|
| Population | 109,737 → 109,049 (-0.6%) | 143,873 → 142,995 (-0.6%) |
| Median household income | $58,142 → $72,281 (+24.3%) | $54,858 → $66,768 (+21.7%) |
| Median home value | $127,200 → $154,900 (+21.8%) | $119,400 → $144,700 (+21.2%) |
| Median gross rent | $777 → $906 (+16.6%) | $748 → $863 (+15.4%) |
LaSalle County
109,737109,049
$58,142$72,281
$127,200$154,900
$777$906
Rock Island County
143,873142,995
$54,858$66,768
$119,400$144,700
$748$863
Age & race/ethnicity
Age distribution (share)
| LaSalle County | Rock Island County | |
|---|---|---|
| Under 5 | 5.3% | 5.9% |
| 5 to 17 | 16.0% | 16.7% |
| 18 to 24 | 7.8% | 8.8% |
| 25 to 34 | 12.1% | 12.0% |
| 35 to 44 | 12.5% | 12.2% |
| 45 to 54 | 11.9% | 11.4% |
| 55 to 64 | 14.9% | 13.0% |
| 65 to 74 | 11.4% | 11.7% |
| 75 and over | 8.0% | 8.4% |
Race & ethnicity (share)
| LaSalle County | Rock Island County | |
|---|---|---|
| White (non-Hispanic) | 83.0% | 68.5% |
| Black or African American | 2.6% | 10.4% |
| American Indian & Alaska Native | 0.0% | 0.1% |
| Asian | 0.9% | 2.5% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.2% | 0.2% |
| Two or more races | 2.4% | 4.2% |
| Hispanic or Latino | 10.8% | 14.0% |
Educational attainment (age 25+)
Share of adults 25+
| LaSalle County | Rock Island County | |
|---|---|---|
| No high school diploma | 8.6% | 9.8% |
| High school graduate | 36.0% | 30.7% |
| Some college or associate's | 36.7% | 35.5% |
| Bachelor's degree | 12.8% | 15.1% |
| Graduate or professional degree | 6.0% | 9.0% |
Commute to work
How workers get to work (share)
| LaSalle County | Rock Island County | |
|---|---|---|
| Drove alone | 84.0% | 79.1% |
| Carpooled | 8.2% | 8.3% |
| Public transit | 0.1% | 1.5% |
| Walked | 1.7% | 3.2% |
| Bicycle | 0.3% | 0.2% |
| Worked from home | 4.6% | 6.7% |
| Other means | 1.0% | 1.0% |
Housing
Units in structure (share)
| LaSalle County | Rock Island County | |
|---|---|---|
| 1-unit, detached | 79.2% | 69.9% |
| 1-unit, attached | 2.7% | 4.1% |
| 2 to 4 units | 7.9% | 7.2% |
| 5 to 19 units | 4.0% | 8.7% |
| 20 or more units | 2.5% | 7.6% |
| Mobile home & other | 3.8% | 2.5% |
Poverty & households
| LaSalle County | Rock Island County | |
|---|---|---|
| Poverty rate | 13.5% | 15.4% |
| Average household size | 2.35 | 2.26 |
| Mean commute (minutes) | 26 | 20 |
| Median year structure built | 1963 | 1962 |
Full profiles
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