At the time of the 2006 National Census, Karchan's population was 3,530 in 964 households, when it was a village in Masumiyeh Rural District of the Central District.[5] The following census in 2011 counted 3,752 people in 1,131 households,[6] by which time the rural district had been separated from the district in the establishment of Masumiyeh District, and the village had been elevated to the status of a city.[4] The 2016 census measured the population of the city as 3,743 people in 1,128 households.[2]
^Karchan can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3069701" in the "Unique Feature Id" form, and clicking on "Search Database".