Editing Duncan, Oklahoma (section)

==Demographics==
{{US Census population
|1900= 1164
|1910= 2477
|1920= 3463
|1930= 8363
|1940= 9207
|1950= 15325
|1960= 20009
|1970= 19718
|1980= 22517
|1990= 21732
|2000= 22505
|2010= 23431
|2020= 22692
|footnote=Sources:<ref name="GR2" /><ref name="Census1910">{{Cite web |title=Population-Oklahoma |url=http://www2.census.gov/prod2/decennial/documents/36894832v3ch3.pdf |url-status=live |archive-url=https://web.archive.org/web/20190224062454/https://www2.census.gov/prod2/decennial/documents/36894832v3ch3.pdf |archive-date=February 24, 2019 |access-date=November 22, 2013 |website=U.S. Census 1910 |publisher=U.S. Census Bureau}}</ref><ref name="Census1930">{{Cite web |title=Population-Oklahoma |url=http://www2.census.gov/prod2/decennial/documents/03815512v1ch08.pdf |url-status=live |archive-url=https://web.archive.org/web/20110609134342/http://www2.census.gov/prod2/decennial/documents/03815512v1ch08.pdf |archive-date=June 9, 2011 |access-date=November 27, 2013 |website=15th Census of the United States |publisher=U.S. Census Bureau}}</ref><ref name="Census1960">{{Cite web |title=Number of Inhabitants: Oklahoma |url=http://www2.census.gov/prod2/decennial/documents/37749254v1p38ch2.pdf |url-status=live |archive-url=https://web.archive.org/web/20150912180558/http://www2.census.gov/prod2/decennial/documents/37749254v1p38ch2.pdf |archive-date=September 12, 2015 |access-date=November 22, 2013 |website=18th Census of the United States |publisher=U.S. Census Bureau}}</ref><ref name="Census1990">{{Cite web |title=Oklahoma: Population and Housing Unit Counts |url=https://www.census.gov/prod/cen1990/cph2/cph-2-38.pdf |url-status=live |archive-url=https://web.archive.org/web/20140109091341/http://www.census.gov/prod/cen1990/cph2/cph-2-38.pdf |archive-date=January 9, 2014 |access-date=November 22, 2013 |publisher=U.S. Census Bureau}}</ref><ref name="CensusPopEst">{{Cite web |title=Incorporated Places and Minor Civil Divisions Datasets: Subcounty Population Estimates: April 1, 2010 to July 1, 2012 |url=https://www.census.gov/popest/data/cities/totals/2012/SUB-EST2012.html |url-status=dead |archive-url=https://web.archive.org/web/20130611010502/http://www.census.gov/popest/data/cities/totals/2012/SUB-EST2012.html |archive-date=June 11, 2013 |access-date=November 25, 2013 |publisher=U.S. Census Bureau |df=mdy}}</ref>
}}

===2000 census===
At the [[2000 United States census|2000 census]], 22,505 people in 9,406 households, including 6,424 families, were residing in the city. The population density was {{convert|580.2|PD/sqmi|PD/km2|sp=us|adj=off}}. The 10,795 housing units had an average density of 278.3/sq mi (107.4/km{{sup|2}}). The [[Race and ethnicity in the United States census#2010 census|racial makeup]] of the city was 90.48% White, 1.07% African American, 2.95% Native American, 0.47% Asian, 0.04% [[Pacific Islander]], 2.36% from other races, and 2.63% from two or more races. [[Hispanic]]s or Latinos of any race were 5.99% of the population.

Of the 9,406 households, 28.8% had children under 18 living with them, 54.6% were married couples living together, 10.4% had a female householder with no husband present, and 31.7% were not families. About 28.9% of households were one person and 14.7% were one person aged 65 or older. The average household size was 2.35 and the average family size was 2.88.

The age distribution was 24.1% under 18, 8.3% from 18 to 24, 24.8% from 25 to 44, 22.6% from 45 to 64, and 20.2% 65 or older. The median age was 40 years. For every 100 females, there were 89.8 males. For every 100 females age 18 and over, there were 85.3 males.

The median income for a household was $30,373 and for a family was $37,080. Males had a median income of $31,173 versus $19,731 for females. The per capita income for the city was $17,643. About 28.7% of families and 27.4% of the population were below the poverty line, including 22.1% of those under age 18 and 42.8% of those age 65 or over.

===2010 census===
At the [[2010 United States census|2010 census]], 23,431 people and 9,535 households were residing in the city, with 11,064 housing units. The [[Race and ethnicity in the United States Census#2010 census|racial makeup]] of the city was 82.3% White, 3.3% African American, 4.7% Native American, and 5.0% from two or more races. Hispanics or Latinos of any race were 8.9% of the population.

The average household size was 2.41. The age distribution was 23.8% under 18 and 17.9% 65 or older. The median household income was $39,683. The per capita income for the city was $22,230. About 16% of the population was below the poverty line.