QuickFacts

28.0%

of persons in Harris County, Texas are under 18 years

23.4%

of persons in San Diego County, California are under 18 years

The population of Harris County, Texas is

4,538,028

The population of Illinois is

12,801,539

Median household income of Chicago city, Illinois is

$48,522

The population of Illinois is

12,801,539

Median household income of Houston city, Texas is

$46,187

15.4%

of persons in Pennsylvania are 65 years and over

12.1%

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

The population of Chicago city, Illinois is

2,720,546

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates