At the time of the 2006 National Census, the city's population was 4,821 in 1,232 households,[6] when it was capital of the former Khoshab District of Sabzevar County.[7] The following census in 2011 counted 5,495 people in 1,508 households,[8] by which time the district had been separated from the county in the establishment of Khoshab County. The city and the rural district were transferred to the new Central District, with Soltanabad as the county's capital.[4] The 2016 census measured the population of the city as 5,932 people in 1,751 households.[2]
^Soltanabad, Khoshab can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3086071" in the "Unique Feature Id" form, and clicking on "Search Database".
^ abRahimi, Mohammadreza (28 February 2013) [Approved 28 June 1389]. Approval letter regarding definitions and national divisions in Sabzevar County. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Board of Ministers. Proposal 29266/42/1/4/1; Notification 149133/T44704H. Archived from the original on 20 December 2016. Retrieved 14 November 2023 – via Islamic Parliament Research Center.