At the time of the 2006 National Census, Nasar's population was 3,403 in 876 households,[6] when it was a village in, and the capital of, Pain Rokh Rural District.[5] The following census in 2011 counted 3,402 people in 998 households.[7] The 2016 census measured the population of the village as 3,633 people in 1,088 households. It was the most populous village in its rural district.[2]
After the census, the village was elevated to the status of a city.[4]
^Nasar can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3076572" in the "Unique Feature Id" form, and clicking on "Search Database".