QuickFacts

The population of Ohio is

11,614,373

14.1%

of persons in Ohio are 65 years and over

The population of Philadelphia city, Pennsylvania is

1,567,442

The population of San Diego County, California is

3,299,521

Population per square mile in Harris County, Texas is

2,402.4

13.8%

of persons in Michigan are 65 years and over

Population per square mile in Los Angeles city, California is

8,092.3

Population per square mile in Harris County, Texas is

2,402.4

10.9%

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

Population per square mile in Illinois is

231.1

Source: Population Estimates

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census