QuickFacts

12.1%

of persons in Maricopa County, Arizona are 65 years and over

The population of Harris County, Texas is

4,538,028

25.9%

of persons in Houston city, Texas are under 18 years

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

27.3%

of persons in Texas are under 18 years

24.5%

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

Median household income of California is

$61,818

Population per square mile in Maricopa County, Arizona is

414.9

Median household income of Philadelphia city, Pennsylvania is

$38,253

12.9%

of persons in North Carolina are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census