At the time of the 2006 National Census, the village's population was 2,681 in 617 households, when it was in Marhemetabad-e Miyani Rural District of the former Marhemetabad District of Miandoab County.[5] The following census in 2011 counted 2,546 people in 684 households.[6] The 2016 census measured the population of the village as 2,461 people in 726 households. It was the most populous village in its rural district.[2]
In 2021, the district was separated from the county in the establishment of Chaharborj County. The rural district was transferred to the new Firuzabad District, and Fesenduz was transferred to Fesenduz Rural District created in the district.[4]
^Fesenduz can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3062942" in the "Unique Feature Id" form, and clicking on "Search Database".