QuickFacts

10.9%

of persons in Los Angeles County, California are 65 years and over

23.7%

of persons in Cook County, Illinois are under 18 years

Median household income of Harris County, Texas is

$54,457

Median household income of New York is

$59,269

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

Population per square mile in Florida is

350.6

11.4%

of persons in California are 65 years and over

10.7%

of persons in Georgia are 65 years and over

12.1%

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

Population per square mile in San Diego County, California is

735.8

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census