Nimbeluk DistrictNimbeluk District is in Qaen County, South Khorasan province, Iran. Its capital is the city of Khezri Dasht Beyaz.DemographicsPopulationAt the time of the 2006 National Census, the district's population was 18,396 in 5,050 households. The following census in 2011 counted 20,252 people in 5,841 households. The 2016 census measured the population of the district as 19,791 inhabitants in 6,087 households.