At the time of the 2006 National Census, the village's population was 609 in 167 households.[4] The following census in 2011 counted 548 people in 169 households.[5] The 2016 census measured the population of the village as 502 people in 153 households. It was the most populous village in its rural district.[2]
^Deh Gap-e Mahmudi can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3060559" in the "Unique Feature Id" form, and clicking on "Search Database".