At the time of the 2006 National Census, Sarbuk's population was 2,184 in 428 households, when it was a village in Sarbuk Rural District of the former Qasr-e Qand District of Nik Shahr County.[6] The following census in 2011 counted 2,506 people in 587 households.[7] The 2016 census measured the population of the village as 2,448 people in 631 households, by which time the district had been separated from the county in the establishment of Qasr-e Qand County.[4] It was the most populous village in its rural district. The rural district was transferred to the new Sarbuk District.[2]
After the census, the village of Sarbuk was elevated to the status of a city.[8]
^Sarbak can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3082592" in the "Unique Feature Id" form, and clicking on "Search Database".