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
Although the City of Duncan has a population of just under 5000, it serves the Cowichan Valley which has a population of approximately 80,000, many of whom live in North Cowichan contiguous with Duncan. This gives Duncan a much larger greater population than that contained within the city limits. People in areas of North Cowichan bordering on Duncan usually use Duncan as their mailing city. Duncan is the seat of the Cowichan Valley Regional District. The name Cowichan is an anglicization of Halkomelem QuwÌutsunÌ, which means the warm land.