QuickFacts

15.4%

of persons in Pennsylvania are 65 years and over

Population per square mile in California is

239.1

The population of Harris County, Texas is

4,538,028

Population per square mile in Michigan is

174.8

Population per square mile in Harris County, Texas is

2,402.4

12.1%

of persons in Maricopa County, Arizona are 65 years and over

Median household income of North Carolina is

$46,868

35.8%

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

The population of Houston city, Texas is

2,296,224

30.4%

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

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates

Source: American Community Survey