At the time of the 2006 National Census, the city's population was 2,999 in 628 households, when it was capital of the former Dalgan District of Iranshahr County. The following census in 2011 counted 8,310 people in 1,744 households, by which time the district had been separated from the county in the establishment of Dalgan County. Galmurti was transferred to the new Central District as the county's capital. The 2016 census measured the population of the city as 10,292 people in 2,450 households.
↑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.