At the time of the 2006 National Census, the village's population was 404 in 83 households, when it was in the Central District.[6] The following census in 2011 counted 343 people in 96 households.[7] The 2016 census measured the population of the village as 207 people in 61 households.[2]
In 2021, the rural district was separated from the district in the formation of Bavaleh District.[8]
^Deh-e Rezvan can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3801466" in the "Unique Feature Id" form, and clicking on "Search Database".
^Rahimi, Mohammad Reza (c. 2024) [Approved 22 June 2013]. Approval letter regarding national divisions in Hamadan province. lamtakam.com (Report) (in Persian). Ministry of the Interior, Political and Defense Commission. Proposal 122703/42/4/1; Letter 158802/T38854H; Notification 125812/T45715K. Archived from the original on 13 February 2024. Retrieved 13 February 2024 – via Lam ta Kam.
^Jahangiri, Ishaq (c. 2023) [Approved 27 April 1400]. Changes in national divisions in Sonqor County, Kermanshah province. qavanin.ir (Report) (in Persian). Ministry of the Interior, Council of Ministers. Archived from the original on 19 July 2023. Retrieved 19 July 2023 – via Laws and Regulations Portal of the Islamic Republic of Iran.