At the time of the 2006 National Census, the village's population was 132 in 25 households, when it was in Buli Rural District of the former Chavar District of Ilam County.[6] The following census in 2011 counted 149 people in 37 households.[7] The 2016 census measured the population of the village as 105 people in 30 households.[2]
In 2019, the district was separated from the county in the establishment of Chavar County, and the rural district was transferred to the new Buli District. Pa Qaleh was transferred to Chakor Rural District created in the district.[4]
^Pa Qaleh can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3846157" in the "Unique Feature Id" form, and clicking on "Search Database".
^ abJahangiri, Ishaq (c. 2022) [Approved 8 November 2019]. Letter of approval regarding national divisions in Ilam County, Ilam province. qavanin.ir (Report) (in Persian). Ministry of the Interior, Council of Ministers. Proposal 216963. Archived from the original on 17 November 2022. Retrieved 4 June 2023 – via Laws and Regulations Portal of the Islamic Republic of Iran.