IPM WORKSHOP Fri 4/21 2pm - 4pm Mountain Horticultural Crops Research and Extension Center, 455 Research Dr. Mills River NC 28756 Mountain Horticultural Crops Research and Extension Center, 455 Research Dr. Mills River NC 28756 Henderson County Center Tomorrow.
Homefacts City Report. Duncannon is located in Perry County, PA. The population is 1,578, making Duncannon the 2nd largest city in Perry County. There are 3 public schools in Duncannon with an average Homefacts rating of C. The total crime rate for Duncannon is low, and there are 12 registered sex offenders residing in the city.
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.