Khorramdarreh CountyKhorramdarreh County is in Zanjan province, Iran. Its capital is the city of Khorramdarreh.DemographicsPopulationAt the time of the 2006 National Census, the county's population was 60,027 in 15,317 households. The following census in 2011 counted 65,166 people in 18,888 households. The 2016 census measured the population of the county as 86,123 in 27,215 households.Administrative divisionsKhorramdarreh County's population history and administrative structure over three consecutive censuses are shown in the following table.