QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in Maricopa County, Arizona is

414.9

Population per square mile in New York is

411.2

28.0%

of persons in Harris County, Texas are under 18 years

Median household income of Texas is

$53,207

24.4%

of persons in Illinois are under 18 years

Population per square mile in California is

239.1

The population of Philadelphia city, Pennsylvania is

1,567,442

Median household income of North Carolina is

$46,868

The population of San Diego County, California is

3,299,521

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: Population Estimates