Henderson, NC. Sponsored Topics. Henderson, with a population of 16,095 at the 2000 census, is the county seat of Vance County, North Carolina, United States. The city was named in honor of former North Carolina Supreme Court Chief Justice Leonard Henderson, who lived nearby and was a friend of early settler Lewis Reavis.
Duncan is a city and county seat of Stephens County, Oklahoma, United States. The population was 23,431 at the 2010 census. The Chisholm Trail Crossing through Duncan's US-81
The city of Duncanville is located in Dallas County. The 2010 Census gave Dallas County a population of 2,368,139 people. This means that Duncanville had 1.63% of the county's total population, making it Dallas' 12th most populous community. At the same time, Texas had a population of 25,145,561 people, meaning that Duncanville had 0.15% of the total population of Texas - making it the state's 74th most populous community.