QuickFacts

11.9%

of persons in Cook County, Illinois are 65 years and over

25.0%

of persons in California are under 18 years

25.9%

of persons in Houston city, Texas are under 18 years

13.8%

of persons in Michigan are 65 years and over

17.3%

of persons in Florida are 65 years and over

11.9%

of persons in Cook County, Illinois are 65 years and over

23.7%

of persons in Ohio are under 18 years

The population of Florida is

20,612,439

The population of Cook County, Illinois is

5,238,216

The population of Los Angeles city, California is

3,971,883

Source: 2010 Census

Source: Population Estimates