At the time of the 2006 National Census, the village's population was 1,775 in 331 households, when it was in Asemanabad Rural District of the Central District.[7] The following census in 2011 counted 1,603 people in 378 households.[8] The 2016 census measured the population of the village as 1,576 people in 448 households. It was the most populous village in its rural district.[2]
After the census, the rural district was separated from the district in the formation of Asemanabad District. Kol Kol-e Olya was transferred to Kol Kol Rural District created in the new district.[5]
^Kol Kol-e Olya can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3071853" in the "Unique Feature Id" form, and clicking on "Search Database".
^Rahimi, Mohammad Reza (c. 2016) [Approved 29 March 1392]. Approval letter regarding national divisions in Ilam province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Board of Ministers. Proposal 81072/42/1/4/1; Notification 83592/T48494H. Archived from the original on 19 September 2016. Retrieved 3 June 2023 – via Islamic Parliament Research Center.