QuickFacts

The population of California is

39,250,017

Population per square mile in Philadelphia city, Pennsylvania is

11,379.5

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

Population per square mile in Cook County, Illinois is

5,495.1

Population per square mile in Cook County, Illinois is

5,495.1

10.3%

of persons in Texas are 65 years and over

Population per square mile in Georgia is

168.4

Population per square mile in Houston city, Texas is

3,501.5

11.4%

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

Median household income of Houston city, Texas is

$46,187

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey