QuickFacts

The population of Philadelphia city, Pennsylvania is

1,567,442

Population per square mile in Cook County, Illinois is

5,495.1

The population of Los Angeles city, California is

3,971,883

23.4%

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

Population per square mile in Florida is

350.6

12.5%

of persons in Illinois are 65 years and over

10.7%

of persons in Georgia are 65 years and over

Population per square mile in Michigan is

174.8

The population of Georgia is

10,310,371

17.3%

of persons in Florida are 65 years and over

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census