Qasr-e Shirin CountyQasr-e Shirin County is in Kermanshah province, Iran. Its capital is the city of Qasr-e Shirin.DemographicsPopulationAt the time of the 2006 National Census, the county's population was 19,821 in 4,999 households. The following census in 2011 counted 25,517 people in 6,058 households. The 2016 census measured the population of the county as 23,929 in 6,903 households.Administrative divisionsQasr-e Shirin County's population history and administrative structure over three consecutive censuses are shown in the following table.