QuickFacts

Population per square mile in Los Angeles County, California is

2,419.6

Population per square mile in Chicago city, Illinois is

11,841.8

11.4%

of persons in California are 65 years and over

10.9%

of persons in Los Angeles County, California are 65 years and over

The population of Cook County, Illinois is

5,238,216

10.3%

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

The population of Texas is

27,862,596

The population of California is

39,250,017

11.4%

of persons in San Diego County, California are 65 years and over

The population of Harris County, Texas is

4,538,028

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates