Rock Island County Demographics
Population
- Total Population153,411
- Male Population(49.4 %) 75,759
- Female Population(50.6 %) 77,652
- Median Age41.10
Income/Financial
- Average Household Income$74,572
- Median Household Income$64,250
- Median Income Under 25$26,375
- Median Income 25-44$60,078
- Median Income 45-64$73,849
- Median Income Over 65$48,125