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Population per square mile in Philadelphia city, Pennsylvania is
11,379.5
11.4%
of persons in California are 65 years and over
10.3%
of persons in Chicago city, Illinois are 65 years and over
The population of Cook County, Illinois is
5,238,216
Median household income of Illinois is
$57,574
Population per square mile in Illinois is
231.1
15.4%
of persons in Pennsylvania are 65 years and over
Median household income of Chicago city, Illinois is
$48,522
Population per square mile in New York city, New York is
27,012.5
23.4%
of persons in San Diego County, California are under 18 years
Source: 2010 Census
Source: 2010 Census
Source: 2010 Census
Source: Population Estimates
Source: American Community Survey
Source: 2010 Census
Source: 2010 Census
Source: American Community Survey
Source: 2010 Census
Source: 2010 Census