QuickFacts

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 Cook County, Illinois is

5,495.1

The population of Ohio is

11,614,373

Population per square mile in Ohio is

282.3

The population of Los Angeles city, California is

3,971,883

The population of San Diego County, California is

3,299,521

The population of Chicago city, Illinois is

2,720,546

The population of Texas is

27,862,596

15.4%

of persons in Pennsylvania are 65 years and over

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census