At the 2006 census, its population was 117 in 29 households, when it was a village in the former Khusf District of Birjand County.[4] The following census in 2011 counted 1,707 people in 43 households,[5] by which time the village had been elevated to the status of a city. The latest census in 2016 showed a population of 3,590 people in 46 households,[2] when the district had been separated from the county in the establishment of Khusf County.[6]
^Mohammadshahr can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3075531" in the "Unique Feature Id" form, and clicking on "Search Database".