QuickFacts

26.4%

of persons in Maricopa County, Arizona are under 18 years

13.5%

of persons in New York are 65 years and over

The population of San Diego County, California is

3,299,521

The population of New York is

19,745,289

22.0%

of persons in Pennsylvania are under 18 years

11.4%

of persons in California are 65 years and over

22.3%

of persons in New York are under 18 years

10.9%

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

27.3%

of persons in Texas are under 18 years

10.7%

of persons in Georgia are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census