Masumiyeh District

Masumiyeh District is in Arak County, Markazi province, Iran. Its capital is the city of Karchan.

History
After the 2006 National Census, Masumiyeh and Moshkabad Rural Districts were separated from the Central District in the establishment of Masumiyeh District.

Population
At the time of the 2011 census, the district's population was 16,373 people in 5,115 households. The 2016 census measured the population of the district as 15,889 inhabitants in 5,207 households.