At the time of the 2006 National Census, the village's population was 1,376 in 337 households, when it was in Ramjin Rural District of the former Chaharbagh District of Savojbolagh County, Tehran province.[7] The 2016 census measured the population of the village as 1,777 people in 564 households,[2] by which time the county had been separated from the province in the establishment of Alborz province.[8]
In 2020, the district was separated from the county in the establishment of Chaharbagh County. The rural district was transferred to the new Ramjin District, and Sonqorabad was transferred to Chahardangeh Rural District in the new Central District.[4]
^OpenStreetMap contributors (15 August 2024). "Sonqorabad, Chaharbagh County" (Map). openstreetmap.org (OpenStreetMap) (in Persian). Retrieved 15 August 2024.
^Sonqorabad can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3765785" in the "Unique Feature Id" form, and clicking on "Search Database".
^Aref, Mohammad Reza (2005) [Approved 29 January 1384]. Divisional reforms in Savojbolagh County in Tehran province. lamtakam.com (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Notification 30868/K5937T. Archived from the original on 18 March 2024. Retrieved 21 August 2024 – 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.