QuickFacts

23.7%

of persons in Cook County, Illinois are under 18 years

The population of Los Angeles County, California is

10,170,292

10.9%

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

Population per square mile in Harris County, Texas is

2,402.4

The population of Ohio is

11,614,373

22.5%

of persons in Philadelphia city, Pennsylvania are under 18 years

23.1%

of persons in Chicago city, Illinois are under 18 years

The population of Harris County, Texas is

4,538,028

21.3%

of persons in Florida are under 18 years

Population per square mile in North Carolina is

196.1

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census