QuickFacts

Population per square mile in Illinois is

231.1

Population per square mile in Ohio is

282.3

The population of California is

39,250,017

12.5%

of persons in Illinois are 65 years and over

10.3%

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

17.3%

of persons in Florida are 65 years and over

The population of San Diego County, California is

3,299,521

The population of Harris County, Texas is

4,538,028

The population of Harris County, Texas is

4,538,028

The population of North Carolina is

10,146,788

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates