Arak County

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

History
After the 2006 National Census, Khondab District was separated from the county in the establishment of Khondab County, which was divided into two districts and five rural districts, with the city of Khondab as its capital. Masumiyeh and Moshkabad Rural Districts were separated from the Central District in the formation of Masumiyeh District. The village of Karchan was elevated to the status of a city. Saruq Rural District was also separated from the Central District to form Saruq District, which was divided into two rural districts, including the new Mashhad ol Kubeh Rural District. Additionally, the village of Saruq became a city. Hajjiabad Rural District was established in the Central District.

After the 2011 census, the cities of Karahrud and Senjan were merged with the city of Arak.

Population
At the time of the 2006 census, the county's population was 602,971 in 165,955 households. The following census in 2011 counted 599,634 people in 182,749 households. The 2016 census measured the population of the county as 591,756 in 188,180 households.

Administrative divisions
Arak County's population history and administrative structure over three consecutive censuses are shown in the following table.