At the time of the 2006 National Census, the village's population was 833 in 175 households, when it was in the former Sareyn District of Ardabil County.[4] The following census in 2011 counted 973 people in 279 households,[5] by which time the district had been separated from the county in the establishment of Sareyn County. The rural district was transferred to the new Central District.[6] The 2016 census measured the population of the village as 1,077 people in 321 households. It was the most populous village in its rural district.[2]
^OpenStreetMap contributors (24 August 2024). "Kordeh Deh, Sareyn County" (Map). openstreetmap.org (OpenStreetMap) (in Persian). Retrieved 24 August 2024.
^Kordeh Deh can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3771104" in the "Unique Feature Id" form, and clicking on "Search Database".
^Davodi, Parviz (15 July 2009) [Approved 24 April 1388]. "With the approval of the government, Sareyn became a county". irna.ir (in Persian). Ministry of the Interior, Political and Defense Commission of the Government. Archived from the original on 5 November 2023. Retrieved 5 November 2023 – via Islamic Republic News Agency.