QuickFacts

11.9%

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

Population per square mile in Harris County, Texas is

2,402.4

Population per square mile in Cook County, Illinois is

5,495.1

Median household income of California is

$61,818

Median household income of San Diego County, California is

$64,309

Population per square mile in Michigan is

174.8

30.4%

of persons 25 years+ in Maricopa County, Arizona have a bachelor's degree or higher

The population of Houston city, Texas is

2,296,224

The population of Ohio is

11,614,373

12.5%

of persons in Illinois are 65 years and over

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: 2010 Census