QuickFacts

Population per square mile in Chicago city, Illinois is

11,841.8

11.9%

of persons in Cook County, Illinois are 65 years and over

The population of Cook County, Illinois is

5,246,456

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Population per square mile in Maricopa County, Arizona is

414.9

14.1%

of persons in Ohio are 65 years and over

In San Diego County, California

57.0%

of females 16 years+ are in the civilian labor force

Median household income of Ohio is

$48,849

24.4%

of persons in Illinois are under 18 years

The population of Houston city, Texas is

2,239,558

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates