Rock Island County Demographics
Population
- Total Population154,546
- Male Population(49.2 %) 76,100
- Female Population(50.8 %) 78,446
- Median Age42.90
Income/Financial
- Average Household Income$71,698
- Median Household Income$64,261
- Median Income Under 25$29,000
- Median Income 25-44$65,200
- Median Income 45-64$69,258
- Median Income Over 65$42,136