At the time of the 2006 National Census, Balavah's population was 290 in 63 households, when it was a village in Bijnavand Rural District of the Central District. The following census in 2011 counted 288 people in 76 households. The 2016 census measured the population as 264 people in 79 households, by which time the rural district had been separated from the district in the formation of Zagros District. Balavah Tareh-ye Sofla was elevated to city status as Balavah.
12345Rahimi, 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.