the resident population of the United States more»
      
    
  | City: | Rock Island | 
| State: | Illinois | 
| Area Code: | 309 | 
| Latitude: | 41.470144 | 
| Longitude: | -90.571246 | 
| Time Zone: | Eastern GMT -6 | 
| City Alias(es): | Rock Island Arsonal | 
| Population: | 36,439 | 
| 2000 Population: | 39,151 | 
| White Population: | 30,088 | 
| Black Population: | 6,842 | 
| Hispanic Population: | 2,303 | 
| Asian Population: | 261 | 
| Hawaiian Population: | 115 | 
| Indian Population: | 26 | 
| Other Population: | 953 | 
| Male Population: | 18,483 | 
| Female Population: | 20,668 | 
| Median Age: | 36.30 | 
| Male Median Age: | 34.90 | 
| Female Median Age: | 37.80 | 
| Households: | 17,387 | 
| Average Household Size: | 2.30 | 
| Average House Value: | $70,100 | 
| Average Household Income: | $34,362 | 
| Number of Businesses: | 890 | 
| Number of Employees: | 17,198 | 
| Annual Payroll: | $525,671,000 | 
| Land Area: | 15.719 sq mi | 
| Water Area: | 0.058 sq mi | 
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