At the time of the 2006 National Census, the county's population was 57,247 in 13,519 households.[4] The following census in 2011 counted 60,632 people in 16,262 households.[5] The 2016 census measured the population of the county as 60,689 in 17,566 households.[2]
Administrative divisions
Roshtkhar County's population history and administrative structure over three consecutive censuses are shown in the following table.
^Aref, Mohammad Reza (4 July 1396) [Approved 22 March 1381]. Reforms and changes in the following divisions in Khorasan province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Proposal 1.4.42.77505; Letter 58537/T26118AH; Notification 12380/T25503K. Archived from the original on 25 June 2017. Retrieved 5 January 2024 – via Islamic Parliament Research Center of the Islamic Republic of Iran.