At the time of the 2006 National Census, Filabad's population was 4,713 in 1,032 households, when it was a village in Mizdej-e Olya Rural District of the Central District.[7] The following census in 2011 counted 5,224 people in 1,408 households,[8] by which time some villages of the district had been separated from it in the establishment of Babaheydar District. Filabad was transferred to Sarab-e Sofla Rural District created in the new district.[4] The 2016 census measured the population of the village as 4,656 people in 1,401 households. It was the most populous village in its rural district.[2]
Filabad was elevated to the status of a city in 2019.[5]
^OpenStreetMap contributors (29 August 2024). "Filabad, Farsan County" (Map). openstreetmap.org (OpenStreetMap) (in Persian). Retrieved 29 August 2024.
^Filabad can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3063002" in the "Unique Feature Id" form, and clicking on "Search Database".