Duncan is home to roughly 22,872 residents. Duncan was founded in 1892 and sits in Stephens County. The median age is 40 and the median household income is $57,020. Homes carry a median value of $125,800, and about 68% of residents own where they live. White residents make up the largest share of the population (74.7%). Around 20% of adults hold a bachelor's degree or higher, and the typical commute runs about 21 minutes.
Source: U.S. Census Bureau, American Community Survey (5-year).
Source: Dru Sjodin National Sex Offender Public Website (NSOPW) and state registries. Public record. This information is provided for public awareness. Using it to harass, threaten, or discriminate against any registrant, or for any purpose prohibited by law, is illegal. Verify against the official registry record before relying on it.
Common questions
Duncan — frequently asked
What is the population of Duncan, Oklahoma?
Duncan has a population of about 22,872, according to the U.S. Census Bureau's American Community Survey (5-year).
What is the average home value in Duncan?
The median home value in Duncan is $125,800, and the median gross rent is $872/month (U.S. Census ACS).
Is Duncan safe? What is the crime rate?
Duncan Police Department reported a violent-crime rate of about 374 per 100,000 residents in 2023 — lower than the U.S. rate of 386. Source: FBI UCR/NIBRS.
What natural-disaster risks does Duncan face?
FEMA's National Risk Index rates Stephens County as "Relatively Low" overall, with top hazards including ice storm, strong wind, cold wave.
How many schools are in Duncan?
Duncan has 11 public schools (6 elementary, 2 middle, 2 high). Source: U.S. Dept. of Education, NCES.
How many registered sex offenders are in Duncan?
Public registry data lists 2 registered sex offenders in or near Duncan. This is neighborhood-safety information from the public state registry.