At the time of the 2006 National Census, Chegerdak's population was 1,684 in 307 households, when it was a village in Jolgeh-ye Chah Hashem Rural District of the former Dalgan District of Iranshahr County.[6] The following census in 2011 counted 2,579 people in 571 households,[7] by which time the district had been separated from the county in the establishment of Dalgan County. The rural district was transferred to the new Jolgeh-ye Chah Hashem District.[4] The 2016 census measured the population of the village as 2,742 people in 658 households. It was the most populous village in its rural district.[2]
After the census, Chegerdak was elevated to the status of a city.[8]
^"INCSGN Search". Iranian National Committee for Standardization of Geographical Names (in Persian). Tehran: National Cartographic Center of Iran. Archived from the original on 2 May 2019.
^Mousavi, Mirhossein (c. 2022) [Approved 18 August 1365]. Approval regarding the definitions and regulations of Iranshahr divisions. qavanin.ir (Report) (in Persian). Ministry of the Interior, Board of Ministers. Proposal 7299/1/5/53. Archived from the original on 11 July 2022. Retrieved 10 November 2023 – via Laws and Regulations Portal of the Islamic Republic of Iran.