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Median household income of Cook County, Illinois is
$55,251
Population per square mile in Chicago city, Illinois is
11,841.8
The population of Maricopa County, Arizona is
4,167,947
Population per square mile in Cook County, Illinois is
5,495.1
The population of Cook County, Illinois is
5,238,216
12.5%
of persons in Illinois are 65 years and over
13.8%
of persons in Michigan are 65 years and over
12.5%
of persons in Illinois are 65 years and over
The population of Houston city, Texas is
2,296,224
Median household income of Illinois is
$57,574
Source: American Community Survey
Source: 2010 Census
Source: Population Estimates
Source: 2010 Census
Source: Population Estimates
Source: 2010 Census
Source: 2010 Census
Source: 2010 Census
Source: Population Estimates
Source: American Community Survey