At the time of the 2006 National Census, the rural district's population (as a part of the former Mehdishahr District of Semnan County) was 6,414 in 1,679 households.[5] There were 2,183 inhabitants in 674 households at the following census of 2011,[6] by which time the district had been separated from the county in the establishment of Mehdishahr County. The rural district was transferred to the new Shahmirzad District.[3] The 2016 census measured the population of the rural district as 1,659 in 580 households. The most populous of its 102 villages was Chashm, with 566 people.[2]