QuickFacts

11.9%

of persons in Cook County, Illinois are 65 years and over

10.9%

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

Median household income of Ohio is

$49,429

Population per square mile in Los Angeles city, California is

8,092.3

11.4%

of persons in California are 65 years and over

Population per square mile in Pennsylvania is

283.9

Population per square mile in Chicago city, Illinois is

11,841.8

11.4%

of persons in California are 65 years and over

The population of Michigan is

9,928,300

The population of Illinois is

12,801,539

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates