At the time of the 2006 National Census, the village's population was 972 in 159 households, when it was in Aslan Duz Rural District[b] of the former Aslan Duz District of Parsabad County.[5] The following census in 2011 counted 866 people in 216 households.[6] The 2016 census measured the population of the village as 978 people in 284 households. It was the most populous village in its rural district.[2]
In 2017, the district was separated from the county in the establishment of Aslan Duz County. The rural district was transferred to the new Central District and renamed Aslan Duz-e Gharbi Rural District. Aq Qabaq-e Sofla was transferred to Aslan Duz-e Sharqi Rural District created in the district.[4]
^OpenStreetMap contributors (19 August 2024). "Aq Qabaq-e Sofla, Aslan Duz County" (Map). openstreetmap.org (OpenStreetMap) (in Persian). Retrieved 19 August 2024.
^Aq Qabaq-e Sofla can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3816352" in the "Unique Feature Id" form, and clicking on "Search Database".
^ abJahangiri, Ishaq (24 March 2017) [Approved 7 December 1397]. Approval letter regarding national divisions in Parsabad County of Ardabil province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Council of Ministers. Notification 164180/T55515H. Archived from the original on 15 March 2019. Retrieved 26 March 2023 – via Islamic Parliament Research Center of the Islamic Republic of Iran.