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ROCK ISLAND, IL Demographic Information
| Total population of ROCK ISLAND County, IL |
147,546 |
| Male population of ROCK ISLAND County, IL |
72,375 |
| Female population of ROCK ISLAND County, IL |
75,171 |
| Median age (years) |
40 |
| White Population |
120,382 |
| Black Population |
13,289 |
| Indian Population |
395 |
| Asian Population |
2,419 |
| Hawaiian Population |
48 |
| Hispanic Population |
17,118 |
| Median age (Male) |
38.5 |
| Median age (Female) |
41.5 |
| Total households |
61,303 |
| Family households (families) |
38,384 |
| Average household size for ROCK ISLAND County, IL |
2.34 |
| Average family size of ROCK ISLAND County, IL |
2.93 |
| Total housing units for ROCK ISLAND County, IL |
65,756 |
ROCK ISLAND County, IL Covers State
ROCK ISLAND County, IL Covers 18 Cities
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