QuickFacts

Population per square mile in Illinois is

231.1

10.9%

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

Population per square mile in California is

239.1

Population per square mile in Illinois is

231.1

23.4%

of persons in San Diego County, California are under 18 years

11.4%

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

Population per square mile in Harris County, Texas is

2,402.4

Median household income of New York is

$59,269

Median household income of New York is

$59,269

Population per square mile in Maricopa County, Arizona is

414.9

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census