QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

25.9%

of persons in Houston city, Texas are under 18 years

23.4%

of persons in San Diego County, California are under 18 years

The population of Philadelphia city, Pennsylvania is

1,567,442

The population of Los Angeles County, California is

10,170,292

Median household income of Illinois is

$57,574

Population per square mile in Los Angeles County, California is

2,419.6

Median household income of San Diego County, California is

$64,309

Median household income of Georgia is

$49,620

Median household income of Georgia is

$49,620

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey