QuickFacts

23.1%

of persons in Chicago city, Illinois are under 18 years

Median household income of Cook County, Illinois is

$55,251

Median household income of Philadelphia city, Pennsylvania is

$38,253

The population of San Diego County, California is

3,299,521

24.5%

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

Median household income of Los Angeles city, California is

$50,205

21.3%

of persons in Florida are under 18 years

23.9%

of persons in North Carolina are under 18 years

10.9%

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

The population of Cook County, Illinois is

5,238,216

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates