At the time of the 2006 National Census, the village's population was 2,177 in 417 households, when it was in Jafarbay-ye Jonubi Rural District of the Central District.[5] The following census in 2011 counted 2,435 people in 620 households,[6] by which time villages had been separated from the rural district in the establishment of Si Joval District. Qarah Qashli was transferred to Qarah Su-ye Sharqi Rural District created in the district.[4] The 2016 census measured the population of the village as 2,731 people in 677 households. It was the most populous village in its rural district.[2]
^Qarah Qashli can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3768739" in the "Unique Feature Id" form, and clicking on "Search Database".
^ abDavodi, Parviz (c. 2024) [Approved 23 January 1388]. Approval letter regarding national divisions in Torkaman County. lamtakam.com (Report) (in Persian). Ministry of the Interior, Council of Ministers. Proposal 100837/42/1; Notification 19104/T41227H. Archived from the original on 13 February 2024. Retrieved 13 February 2024 – via Lam ta Kam.