Masumabad, Lorestan

Masumabad is a village in, and the capital of, Mirbag-e Shomali Rural District of Mirbag District, Delfan County, Lorestan province, Iran. The previous capital of the rural district was the former village of Farhadabad.

Population
At the time of the 2006 National Census, the village's population was 530 in 107 households, when it was in the Central District. The following census in 2011 counted 589 people in 137 households. The 2016 census measured the population of the village as 624 people in 160 households.

In March 2022, Mirbag-e Jonubi and Mirbag-e Shomali Rural Districts were separated from the district in the establishment of Mirbag District.