QosurQosur is a village in Bash Qaleh Rural District of the Central District in Urmia County, West Azerbaijan province, Iran.DemographicsPopulationAt the time of the 2006 National Census, the village's population was 353 in 81 households. The following census in 2011 counted 524 people in 148 households. The 2016 census measured the population of the village as 639 people in 191 households.