QuickFacts

The population of California is

39,250,017

The population of New York is

19,745,289

21.6%

of persons in New York city, New York are under 18 years

21.3%

of persons in Florida are under 18 years

The population of Maricopa County, Arizona is

4,167,947

24.5%

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

12.5%

of persons in Illinois are 65 years and over

28.0%

of persons in Harris County, Texas are under 18 years

23.4%

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

Population per square mile in Texas is

96.3

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census