QuickFacts

15.4%

of persons in Pennsylvania are 65 years and over

Population per square mile in Texas is

96.3

24.5%

of persons in Los Angeles County, California are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

Median household income of Texas is

$53,207

The population of Houston city, Texas is

2,296,224

Median household income of Illinois is

$57,574

35.8%

of persons 25 years+ in Cook County, Illinois have a bachelor's degree or higher

The population of Maricopa County, Arizona is

4,167,947

The population of Illinois is

12,801,539

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates