Hafdar Rural District (Persian: دهستان هفدر) is in Hafdar District of Sorkheh County, Semnan province, Iran.

[4] At the time of the 2006 National Census, the rural district's population (as a part of Sorkheh District[a] in Semnan County) was 2,997 in 816 households.

[6] The 2016 census measured the population of the rural district as 3,599 in 1,202 households, by which time the district had been separated from the county in the establishment of Sorkheh County and renamed the Central District.

[3] The most populous of its 48 villages was Mowmenabad, with 1,796 people.

This Sorkheh County location article is a stub.