At the time of the 2006 National Census, the district's population was 6,798 in 1,466 households.[4] The following census in 2011 counted 6,185 people in 1,647 households.[5] The 2016 census measured the population of the district as 4,628 inhabitants living in 1,389 households.[2]
^OpenStreetMap contributors (23 August 2024). "Firuz District (Kowsar County)" (Map). openstreetmap.org (OpenStreetMap) (in Persian). Retrieved 23 August 2024.
^Habibi, Hassan (c. 2015) [Approved 18 September 1375]. Reforms of divisions in Ardabil province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Notification 121307/T17293K. Archived from the original on 9 September 2015. Retrieved 28 February 2024 – via Islamic Parliament Research Center.