QuickFacts

25.0%

of persons in California are under 18 years

The population of Michigan is

9,922,576

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

14.1%

of persons in Ohio are 65 years and over

The population of Texas is

27,469,114

The population of San Diego County, California is

3,263,431

11.4%

of persons in San Diego County, California are 65 years and over

Population per square mile in San Diego County, California is

735.8

25.0%

of persons in California are under 18 years

The population of Harris County, Texas is

4,441,370

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates