At the time of the 2006 National Census, the village's population was 1,676 in 376 households, when it was in Mizdej-e Sofla Rural District of the Central District.[6] The following census in 2011 counted 1,715 people in 470 households,[7] by which time the rural district had been separated from the district in the formation of Junqan District. Rastab was transferred to Junqan Rural District created in the new district.[4] The 2016 census measured the population of the village as 1,582 people in 453 households. It was the most populous village in its rural district.[2]
^Rastab can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3080892" in the "Unique Feature Id" form, and clicking on "Search Database".