At the time of the 2006 National Census, the village's population was 1,190 in 298 households, when it was in Radkan Rural District of the Central District.[5] The following census in 2011 counted 1,296 people in 367 households.[6] The 2016 census measured the population of the village as 1,302 people in 395 households. It was the most populous village in its rural district.[2]
In 2019, the rural district was separated from the district in the establishment of Radkan District. Qiasabad was transferred to Qiasabad Rural District created in the new district.[4]
^Qiasabad can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3080291" in the "Unique Feature Id" form, and clicking on "Search Database".