At the time of the 2006 National Census, the village's population was 429 in 138 households, when it was in Qahan Rural District of Khalajestan District, Qom County.[5] The following census in 2011 counted 201 people in 71 households.[6] The 2016 census measured the population of the village as 213 people in 97 households.[2]
After the census, the rural district was separated from the county in the establishment of Jafarabad County and transferred to the new Qahan District. Kohandan was transferred to Kohandan Rural District created in the district.[4]
^Kohandan can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3071725" in the "Unique Feature Id" form, and clicking on "Search Database".