At the time of the 2006 National Census, the city's population (as Zargarmahalleh) was 425 in 110 households.[6] The following census in 2011 counted 423 people in 127 households.[7] The 2016 census measured the population of the city as 3,991 people in 1,311 households.[2] After the census, the name of the city was changed from Zargarmahalleh to Zargar.[3]
^Habibi, Hassan (9 August 2011) [Approved 15 June 1997]. Changes in national divisions in Mazandaran province. rc.majlis.ir (Report) (in Persian). Ministry of the Interior, Political-Defense Commission of the Government Board. Proposal 1.4.42.275; Notification 55582/17981K. Archived from the original on 9 August 2011. Retrieved 14 January 2024 – via Islamic Parliament Research Center.