At the time of the 2006 National Census, the village's population was 1,422 in 319 households, when it was in Shirin Su Rural District of the former Maneh District of Maneh and Samalqan County.[5][a] The following census in 2011 counted 1,889 people in 421 households.[6] The 2016 census measured the population of the village as 2,010 people in 467 households. It was the most populous village in its rural district.[2]
In 2023, the district was separated from the county in the establishment of Maneh County, and the rural district was transferred to the new Shirin Su District. Kohneh Jolgeh was transferred to Kohneh Jolgeh Rural District created in the district.[4]
^Kohneh Jolgeh can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "218316" in the "Unique Feature Id" form, and clicking on "Search Database".