At the 2006 census, its population was 173,832 in 42,508 households, when it was in the former Qarchak District of Varamin County.[5] The following census in 2011 counted 191,588 people in 52,769 households.[6] The latest census in 2016 showed a population of 231,075 people in 69,029 households,[2] by which time the district had been separated from the county in the establishment of Qarchak County, with Qarchak as its capital and only city.[4]
^Qarchak can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3782659" in the "Unique Feature Id" form, and clicking on "Search Database".