QuickFacts

Population per square mile in New York city, New York is

27,012.5

Population per square mile in Illinois is

231.1

Population per square mile in North Carolina is

196.1

23.4%

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

22.3%

of persons in New York are under 18 years

Population per square mile in Chicago city, Illinois is

11,841.8

10.7%

of persons in Georgia are 65 years and over

Median household income of California is

$61,818

In Michigan

57.1%

of females 16 years+ are in the civilian labor force

The population of Pennsylvania is

12,784,227

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates