Sumar Rural District

Sumar Rural District is in Sumar District of Qasr-e Shirin County, Kermanshah province, Iran.

At the National Census of 2006, its population was 227 in 64 households. There were 1,515 inhabitants in 80 households at the following census of 2011. At the most recent census of 2016, the population of the rural district was 377 in 36 households. The most populous of its 30 villages was Naft Shahr, with 184 people.