QuickFacts

11.4%

of persons in California are 65 years and over

25.0%

of persons in California are under 18 years

11.9%

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

Median household income of Philadelphia city, Pennsylvania is

$38,253

The population of Ohio is

11,614,373

The population of Cook County, Illinois is

5,238,216

9.0%

of persons in Houston city, Texas are 65 years and over

24.5%

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

The population of Maricopa County, Arizona is

4,167,947

23.4%

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

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census