At the time of the 2006 National Census, Shahnabad's population was 1,385 in 286 households, when it was a village in Mirbag-e Shomali Rural District of the Central District.[4] The following census in 2011 counted 1,417 people in 343 households.[5] The 2016 census measured the population of the village as 1,450 people in 402 households.[2]
In 2022, the rural district was separated from the district in the formation of Mirbag District, and Shahnabad merged with the village of Farhadabad to form the new village of Mirbag.[6]
^Shahnabad can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3084012" in the "Unique Feature Id" form, and clicking on "Search Database".