At the time of the 2006 National Census, the village's population was 2,584 in 639 households, when it was in Varzaq Rural District of the Central District.[6] The following census in 2011 counted 2,616 people in 700 households.[7] The 2016 census measured the population of the village as 2,220 people in 678 households,[2] by which time the rural district had been separated from the district in the formation of Zendehrud District. Nahr-e Khalaj was transferred to Qarah Bisheh Rural District created in the district.[4]
^Nahr-e Khalaj can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3076260" in the "Unique Feature Id" form, and clicking on "Search Database".