QuickFacts

23.7%

of persons in Michigan are under 18 years

The population of Michigan is

9,928,300

Population per square mile in Harris County, Texas is

2,402.4

11.4%

of persons in California are 65 years and over

Population per square mile in Pennsylvania is

283.9

9.0%

of persons in Houston city, Texas are 65 years and over

The population of Cook County, Illinois is

5,238,216

26.4%

of persons in Maricopa County, Arizona are under 18 years

The population of New York city, New York is

8,550,405

28.0%

of persons in Harris County, Texas are under 18 years

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census