is a town in Wake County, North Carolina, United States. The population was 5,958 at the 2000 census, and estimated at 9,843 in January 2008. With the population boom experienced in the North Carolina Research Triangle area in the past two decades, Knightdale is a suburb of Raleigh, bordering that city at the Neuse River. The estimated population of the Raleigh-Durham-Cary Combined Statistical Area (CSA) was 1,565,223 as of July 1, 2006, with the Raleigh-Cary Metropolitan Statistical Area (MSA) portion estimated at 994,571 residents.
According to the United States Census Bureau, the town has a total area of 4.7 square miles (6.9 km²), all of it land.
Knightdale is located in the northeast central region of North Carolina, where the North American Piedmont and Atlantic Coastal Plain regions meet. This area is known as the "fall line" because it marks the elevation inland at which waterfalls begin to appear in creeks and rivers. Its central Piedmont location situates Knightdale about three hours west of Atlantic Beach, North Carolina, by car and four hours east of the Great Smoky Mountains of the Appalachian range.