QuickFacts

13.8%

of persons in Michigan are 65 years and over

The population of California is

39,250,017

The population of Philadelphia city, Pennsylvania is

1,567,442

12.1%

of persons in Maricopa County, Arizona are 65 years and over

11.4%

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

Population per square mile in Harris County, Texas is

2,402.4

The population of Georgia is

10,310,371

Population per square mile in Harris County, Texas is

2,402.4

The population of New York city, New York is

8,550,405

The population of New York is

19,745,289

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates