QuickFacts

10.3%

of persons in Chicago city, Illinois are 65 years and over

The population of Michigan is

9,928,300

The population of Cook County, Illinois is

5,238,216

Population per square mile in Michigan is

174.8

17.3%

of persons in Florida are 65 years and over

The population of Harris County, Texas is

4,538,028

The population of North Carolina is

10,146,788

Population per square mile in Michigan is

174.8

13.8%

of persons in Michigan are 65 years and over

23.4%

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

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census