QuickFacts

12.5%

of persons in Illinois are 65 years and over

10.9%

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

Population per square mile in California is

239.1

10.5%

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

12.1%

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

Population per square mile in Houston city, Texas is

3,501.5

8.1%

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

Population per square mile in Los Angeles city, California is

8,092.3

10.9%

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

10.3%

of persons in Chicago city, Illinois are 65 years and over

Source: 2010 Census