At the time of the 2006 National Census, the rural district's population (as Tankaman Rural District of Tehran province) was 16,310 in 4,135 households. The 2016 census measured the population of the rural district as 3,279 people in 1,039 households, by which time the county had been separated from the province in the establishment of Alborz province. The rural district was renamed Tankaman-e Jonubi Rural District. The most populous of its 22 villages was Mohammadabad, with 781 people.
^ Davodi, Parviz (2007) [Approved 18 September 1386]. Approval letter regarding reforms of national divisions in Tehran province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Notification 156150/T32688K. Archived from the original on 15 September 2017. Retrieved 21 August 2024 – via The Research Center of the Islamic Council of Iran.
^Aref, Mohammad Reza (2002) [Approved 28 November 1381]. Approval of changes and reforms in Tehran province. lamtakam.com (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Cabinet of Ministers. Notification 44725/T26982K. Archived from the original on 16 December 2023. Retrieved 16 December 2023 – via Lam ta Kam.
^Larijani, Ali (2010) [Approved 16 April 1389]. Alborz province establishment law. lamtakam.com (Report) (in Persian). Guardian Council. Notification 412/30588. Archived from the original on 16 December 2023. Retrieved 21 August 2024 – via Lam ta Kam.
