At the time of the 2006 National Census, the village's population was 789 in 176 households, when it was in Golzar Rural District of the Central District.[4] The following census in 2011 counted 576 people in 168 households, by which time the rural district had been separated from the district in the establishment of Golzar District, including the new Shrinak Rural District, to which Shirinag was transferred.[5] The 2016 census measured the population of the village as 857 people in 263 households. It was the most populous village in its rural district.[2]
^Shirinag can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3085049" in the "Unique Feature Id" form, and clicking on "Search Database".