At the time of the 2006 National Census, the village's population was 744 in 153 households.[5] The following census in 2011 counted 736 people in 183 households.[6] The 2016 census measured the population of the village as 785 people in 187 households. It was the most populous village in its rural district.
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^Sardab can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3082639" in the "Unique Feature Id" form, and clicking on "Search Database".
^Davodi, Parviz (c. 2024) [Approved 25 October 1384]. Divisional changes and reforms in North Khorasan province. lamtakam.com (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Proposal 135454/42/4/1; Notification 58538/T26118H. Archived from the original on 11 January 2024. Retrieved 11 January 2024 – via Lam ta Kam.