QuickFacts

The population of Pennsylvania is

12,784,227

Population per square mile in Los Angeles County, California is

2,419.6

Population per square mile in Los Angeles County, California is

2,419.6

Population per square mile in Michigan is

174.8

Population per square mile in Cook County, Illinois is

5,495.1

13.5%

of persons in New York are 65 years and over

The population of Michigan is

9,928,300

10.9%

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

13.5%

of persons in New York are 65 years and over

In Cook County, Illinois

61.0%

of females 16 years+ are in the civilian labor force

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey