QuickFacts

25.9%

of persons in Houston city, Texas are under 18 years

28.4%

of persons 25 years+ in North Carolina have a bachelor's degree or higher

11.4%

of persons in San Diego County, California are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

The population of Illinois is

12,801,539

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

The population of Cook County, Illinois is

5,238,216

Population per square mile in Pennsylvania is

283.9

Median household income of Houston city, Texas is

$46,187

The population of Los Angeles city, California is

3,971,883

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates