QuickFacts

10.3%

of persons in Texas are 65 years and over

Population per square mile in Florida is

350.6

26.4%

of persons in Maricopa County, Arizona are under 18 years

Population per square mile in Houston city, Texas is

3,501.5

10.3%

of persons in Texas are 65 years and over

In San Diego County, California

57.2%

of females 16 years+ are in the civilian labor force

Median household income of Philadelphia city, Pennsylvania is

$38,253

Population per square mile in Harris County, Texas is

2,402.4

23.7%

of persons in Ohio are under 18 years

The population of Illinois is

12,801,539

Source: 2010 Census

Source: American Community Survey

Source: 2010 Census

Source: Population Estimates