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  Census >ACS Home > Using the Data > Quality Measures > Coverage Rates - Data: Illinois
Using the Data:  Quality Measures
Quality Measures - Main
Sample Size: Data | Definitions Coverage Rates: Data | Definitions
Response Rates: Data | Definitions   Item Allocation Rates: Data | Definitions

       
 
Illinois Coverage Rates (in percent)
  Year Total Population Male Female
 Illinois 2004 94.2 93.0 95.4
 Illinois 2003 94.7 93.4 95.9
Illinois 2002 93.8 93.1 94.5
Illinois 2001 94.5 93.4 95.5
Illinois 2000 98.9 97.6 100.1
 
Source: U.S. Census Bureau  |  American Community Survey Office  |  Page Last Modified: August 22, 2007