At the time of the 2006 National Census, Alqajar's population was 3,910 in 991 households, when it was a village in Chehel Chay Rural District.[4] The following census in 2011 counted 4,893 people in 1,350 households.[5] The 2016 census measured the population of the village as 4,780 people in 1,428 households. It was the most populous village in its rural district.[2]
After the census, Alqajar was elevated to the status of a city.[6]
^Alqajar can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3767885" in the "Unique Feature Id" form, and clicking on "Search Database".