The civil parish is formed by the villages of Welton and Melton and the hamlet of Wauldby. According to the 2011 census, Welton parish had a population of 2,176, an increase on the 2001 UK census figure of 1,560.
The civil parish comprises the villages of Welton and Melton, along with a smaller hamlet called Wauldby. The population of Welton parish increased to 2,176 by the 2011 census, up from 1,560 in the previous decade's UK census.