QuickFacts

Population per square mile in Harris County, Texas is

2,402.4

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

The population of San Diego County, California is

3,263,431

The population of Michigan is

9,922,576

The population of Philadelphia city, Pennsylvania is

1,560,297

Median household income of Philadelphia city, Pennsylvania is

$37,460

35.3%

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

22.3%

of persons in New York are under 18 years

10.3%

of persons in Texas are 65 years and over

11.4%

of persons in California are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census