QuickFacts

Population per square mile in California is

239.1

10.9%

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

11.4%

of persons in San Diego County, California are 65 years and over

10.3%

of persons in Chicago city, Illinois are 65 years and over

Median household income of Maricopa County, Arizona is

$54,229

Median household income of Michigan is

$49,576

Median household income of Ohio is

$49,429

9.0%

of persons in Houston city, Texas are 65 years and over

The population of Harris County, Texas is

4,538,028

Population per square mile in Pennsylvania is

283.9

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census