KejinKejin is a village in Sanjabad-e Gharbi Rural District of the Central District in Kowsar County, Ardabil province, Iran.DemographicsPopulationAt the time of the 2006 National Census, the village's population was 17 in five households. The following census in 2011 counted a population below the reporting threshold. The 2016 census again measured the population of the village as below the reporting threshold.