At the time of the 2006 National Census, the city's population was 14,225 in 2,771 households,[7] when it was capital of the former Malekshahi District[b] of Mehran County.[8] The following census in 2011 counted 12,358 people in 3,116 households,[9] by which time the district had been separated from the county in the establishment of Malekshahi County. Arkavaz was transferred to the new Central District as the county's capital.[5] The 2016 census measured the population of the city as 11,977 people in 3,498 households.[2]
^Also romanized as Arak Vāz, Arakvaz, Arkvāz, Arkwāz, and Erkewaz; also known as Arak Vāz-e Malek Shāhī, Qal‘eh Darreh[3] and Qaleh Darreh-ye Malekshahi (قلعه دره ملکشاهی)[4]
^Arkavaz can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3078919" in the "Unique Feature Id" form, and clicking on "Search Database".
^ abDavodi, Parviz (c. 2024) [Approved 28 July 1387]. Approval letter regarding changes and reforms of divisions in Ilam province. lamtakam.com (Report) (in Persian). Ministry of the Interior, Council of Ministers. Proposal 91494/42/1/4/1; Notification 145145/T342H. Archived from the original on 8 February 2024. Retrieved 8 February 2024 – via Lam ta Kam.