At the time of the 2006 National Census, the village's population was 1,450 in 269 households, when it was in the former Rostam District of Mamasani County.[4] The following census in 2011 counted 1,352 people in 345 households,[5] by which time the district had been separated from the county in the establishment of Rostam County. The rural district was transferred to the new Sorna District.[6] The 2016 census measured the population of the village as 1,795 people in 519 households. It was the most populous village in its rural district.[2]
^Hoseynabad-e Rostam can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3066816" in the "Unique Feature Id" form, and clicking on "Search Database".