QuickFacts

Population per square mile in California is

239.1

Median household income of Ohio is

$49,429

Population per square mile in Illinois is

231.1

11.4%

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

Median household income of Maricopa County, Arizona is

$54,229

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in Ohio is

282.3

The population of Los Angeles County, California is

10,170,292

The population of Harris County, Texas is

4,538,028

23.1%

of persons in Chicago city, Illinois are under 18 years

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census