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At the time of the 2006 National Census, the rural district's population (as a part of Buin Zahra County) was 5,478 in 1,457 households. There were 6,065 inhabitants in 1,943 households at the following census of 2011. The 2016 census measured the population of the rural district as 6,709 in 2,219 households, by which time the district had been separated from the county in the establishment of Avaj County. The most populous of its 32 villages was Kolanjin, with 1,080 people.
^ Rahimi, Mohammad Reza (c. 2021) . Creation of Avaj County in the center of Avaj city in Qazvin province. qavanin.ir (Report) (in Persian). Ministry of the Interior, Council of Ministers. Proposal 62642/42/1/4/1. Archived from the original on 13 April 2021. Retrieved 10 January 2024 – via Laws and Regulations Portal of the Islamic Republic of Iran.