At the time of the 2006 National Census, the village's population was 1,108 in 197 households, when it was in Harm Rural District of the former Juyom District of Larestan County.[5][b] The following census in 2011 counted 1,209 people in 301 households.[7] The 2016 census measured the population of the village as 1,630 people in 394 households.[2]
After the census, the district was separated from the county in the establishment of Juyom County, and the rural district was transferred to the new Harm District. Chaghan was transferred to Chaghan Rural District created in the new Central District.[4]
^Chaghan can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3058770" in the "Unique Feature Id" form, and clicking on "Search Database".
^Letter of approval regarding changing the name of Lar County to Larestan. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Council of Ministers. c. 2022 [Approved 7 October 1398]. Proposal 1.42.25950; Notification 31592T24775H. Archived from the original on 21 April 2022. Retrieved 4 October 2023 – via Martyrdom of Imam Ali (AS) Research Center of the Islamic Council.