QuickFacts

24.5%

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

23.7%

of persons in Cook County, Illinois are under 18 years

10.9%

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

Median household income of New York city, New York is

$53,373

11.9%

of persons in Cook County, Illinois are 65 years and over

The population of Philadelphia city, Pennsylvania is

1,567,442

Median household income of Cook County, Illinois is

$55,251

11.4%

of persons in California are 65 years and over

Population per square mile in Harris County, Texas is

2,402.4

11.4%

of persons in California are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: American Community Survey

Source: 2010 Census