Ada, Oklahoma

===2010 census===
As of the 2010 [[census]], Ada's 16,810 residents consisted of 6,697 households and 3,803 families. The population density was {{convert|999.3|PD/sqmi|PD/km2|sp=us|adj=off}}. The 7,862 housing units were dispersed at an average density of {{convert|475.9|/sqmi|/km2|sp=us|adj=off}}. Ada's 2006 racial makeup was 73.81% [[White (U.S. Census)|White]], 3.54% [[African American (U.S. Census)|African American]], 15.10% [[Native American (U.S. Census)|Native American]], 0.83% [[Asian (U.S. Census)|Asian]], 0.01% [[Pacific Islander (U.S. Census)|Pacific Islander]], 0.89% from [[Race (United States Census)|other races]], and 5.81% from two or more races. [[Hispanic (U.S. Census)|Hispanics]] or [[Latino (U.S. Census)|Latinos]] of any race were 2.89% of the population.

Of Ada's 6,697 households, 25.9% had children under the age of 18 living with them, 40.6% were married couples living together, 12.6% had a female householder with no husband present, and 43.2% were non-families. The 15.8% of those 65 years or older living alone made up a substantial portion of the 37.1% single-person households. Average household size was 2.20 persons; average family size was 2.91.

The age breakdown in 2006 was 22.3% under the age of 18, 17.5% from 18 to 24, 24.4% from 25 to 44, 18.9% from 45 to 64, and 17.0% aged 65 or older. The median age was 33 years. For every 100 females aged 18 or over, there were 84.5 males, while for all ages, there were 100 females for every 88.4 males.

Median household income was $22,977, while median family income was $31,805. Males had a median income of $25,223 versus $17,688 for females. Ada's [[per capita income]] was $14,666. Some 14.8% of families and 21.4% of the population were below the [[poverty line]], including 27.8% of those under 18 and 11.4% of those 65 or over.

An estimated 2,000-3,000 residents speak the [[Chickasaw language]].<ref>{{Cite web|url = http://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=7981&context=rtd|title = Language Extinction and the Status of North American Indian Languages|last = Robins Hunter|first = Phoebe| date=January 1994 }}</ref>