At the time of the 2006 National Census, Bakh's population was 779 in 215 households, when it was a village in Garizat Rural District of Nir District.[6] The following census in 2011 counted 1,067 people in 310 households,[7] by which time the rural district had been separated from the district in the establishment of Garizat District.[4] The 2016 census measured the population of the village as 718 people in 224 households. It was the most populous village in its rural district.[2]
After the census, the village of Bakh was elevated to the status of a city.[8]
^Bakh can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3054886" in the "Unique Feature Id" form, and clicking on "Search Database".