At the time of the 2006 National Census, the village's population was 2,951 in 821 households, when it was in the former Khoshab District of Sabzevar County. The following census in 2011 counted 3,003 people in 935 households, by which time the district had been separated from the county in the establishment of Khoshab County. The rural district was transferred to the new Central District. The 2016 census measured the population of the village as 3,037 people in 1,000 households. It was the most populous village in its rural district.
^Robat-e Jaz can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3081260" in the "Unique Feature Id" form, and clicking on "Search Database".
^Rahimi, 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.
