Mamers ( is an unincorporated community and census-designated place (CDP) in Harnett County, North Carolina, United States. As of the 2020 census, Mamers had a population of 814. It is a part of the Dunn Micropolitan Area, which is also a part of the greater RaleighâÂÂDurhamâÂÂCary Combined Statistical Area (CSA) as defined by the United States Census Bureau.
The community is in west-central Harnett County in Upper Little River Township. U.S. Route 421 is the main road through the northern side of the community, and Old US Highway 421 runs through the center. Lillington, the county seat, is to the east, and Sanford is to the west. Immediate neighbors of Mamers are Luart to the east and Ryes to the west. According to the United States Census Bureau, the Mamers CDP has a total area of , of which , or 0.15%, are water.
Prominent nearby landmarks include the community United States Post Office (ZIP Code 27552). Mamers is in the Boone Trail Elementary School district as well as in the Western Harnett middle and high school districts.