QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

Median household income of Harris County, Texas is

$53,822

Median household income of Philadelphia city, Pennsylvania is

$37,460

23.7%

of persons in Ohio are under 18 years

Population per square mile in Chicago city, Illinois is

11,841.8

22.0%

of persons in Pennsylvania are under 18 years

23.4%

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

Median household income of Los Angeles County, California is

$55,870

25.9%

of persons in Houston city, Texas are under 18 years

12.1%

of persons in New York city, New York are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census