QuickFacts

13.5%

of persons in New York are 65 years and over

23.4%

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

Population per square mile in Ohio is

282.3

Population per square mile in Florida is

350.6

Population per square mile in Harris County, Texas is

2,402.4

12.1%

of persons in Philadelphia city, Pennsylvania are 65 years and over

The population of New York is

19,745,289

12.9%

of persons in North Carolina are 65 years and over

Median household income of Cook County, Illinois is

$55,251

The population of Philadelphia city, Pennsylvania is

1,567,442

Source: 2010 Census

Source: Population Estimates

Source: 2010 Census

Source: American Community Survey

Source: Population Estimates