QuickFacts

The population of Illinois is

12,801,539

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

13.5%

of persons in New York are 65 years and over

22.3%

of persons in New York are under 18 years

8.1%

of persons in Harris County, Texas are 65 years and over

The population of Georgia is

10,310,371

The population of Harris County, Texas is

4,538,028

23.1%

of persons in Chicago city, Illinois are under 18 years

The population of Michigan is

9,928,300

Population per square mile in Harris County, Texas is

2,402.4

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census