QuickFacts

27.3%

of persons in Texas are under 18 years

28.0%

of persons in Harris County, Texas are under 18 years

The population of Pennsylvania is

12,784,227

Population per square mile in Harris County, Texas is

2,402.4

Median household income of Illinois is

$57,574

27.3%

of persons in Texas are under 18 years

21.6%

of persons in New York city, New York are under 18 years

The population of Philadelphia city, Pennsylvania is

1,567,442

The population of San Diego County, California is

3,299,521

11.4%

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

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census