Selma is a town in Johnston County, North Carolina, United States. In 2010, the population was 6,073, and as of 2018 the estimated population was 6,913. Selma is part of the Raleigh-Durham-Cary Combined Statistical Area. The area has a population over 1.7 million residents, though the town of Selma is able to maintain its rural character. The Everitt P.