Poshtkuh Rural District (Persian: دهستان پشتكوه) is in Shahmirzad District of Mehdishahr County, Semnan province, Iran.

[4] 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 1,825 in 561 households.

[3] The 2016 census measured the population of the rural district as 3,844 in 1,326 households.

The most populous of its 68 villages was Fulad Mahalleh, with 2,518 people.

This Mehdishahr County location article is a stub.