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
Centrally located in Stephens County, Duncan became the county seat after Oklahoma achieved statehood in 1907. As a compromise between residents of the northern and southern parts of the county, the county courthouse was located in the middle of Duncan's Main Street, half of it in the northern part of the city and county and half in the southern.