QuickFacts

Population per square mile in Harris County, Texas is

2,402.4

Population per square mile in Illinois is

231.1

26.4%

of persons in Maricopa County, Arizona are under 18 years

12.1%

of persons in New York city, New York are 65 years and over

17.3%

of persons in Florida are 65 years and over

Population per square mile in Ohio is

282.3

Median household income of Illinois is

$57,574

Median household income of Houston city, Texas is

$46,187

15.4%

of persons in Pennsylvania are 65 years and over

Median household income of Maricopa County, Arizona is

$54,229

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: American Community Survey