QuickFacts

27.3%

of persons in Texas are under 18 years

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

28.0%

of persons in Harris County, Texas are under 18 years

The population of Florida is

20,612,439

23.1%

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

10.3%

of persons in Chicago city, Illinois are 65 years and over

Median household income of Florida is

$47,507

23.1%

of persons in Chicago city, Illinois are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

The population of Michigan is

9,928,300

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates