ChayerluChayerlu is a village in Qoltuq Rural District of the Central District in Zanjan County, Zanjan province, Iran.DemographicsPopulationAt the time of the 2006 National Census, the village's population was 742 in 152 households. The following census in 2011 counted 712 people in 182 households. The 2016 census measured the population of the village as 544 people in 184 households.