QuickFacts

23.4%

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

Population per square mile in San Diego County, California is

735.8

Population per square mile in Ohio is

282.3

11.4%

of persons in California are 65 years and over

Population per square mile in Illinois is

231.1

26.4%

of persons in Maricopa County, Arizona are under 18 years

Median household income of Michigan is

$49,576

Median household income of Michigan is

$49,576

Population per square mile in Houston city, Texas is

3,501.5

Population per square mile in Harris County, Texas is

2,402.4

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census