QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in Illinois is

231.1

The population of Florida is

20,612,439

The population of California is

39,250,017

The population of Ohio is

11,614,373

17.3%

of persons in Florida are 65 years and over

28.0%

of persons in Harris County, Texas are under 18 years

Median household income of Maricopa County, Arizona is

$54,229

Median household income of North Carolina is

$46,868

The population of Philadelphia city, Pennsylvania is

1,567,442

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates