Fulad Mahalleh (Persian: فولادمحله)[a] is a village in, and the capital of, Poshtkuh Rural District[4] of Shahmirzad District, Mehdishahr County, Semnan province, Iran.

At the time of the 2006 National Census, the village's population was 1,344 in 370 households, when it was in the former Mehdishahr District of Semnan County.

[5] The following census in 2011 counted 3,910 people in 1,043 households,[6] by which time the district had been separated from the county in the establishment of Mehdishahr County.

[7] The 2016 census measured the population of the village as 2,518 people in 852 households.

This Mehdishahr County location article is a stub.