Siah Rud DistrictSiah Rud District is in Jolfa County, East Azerbaijan province, Iran. Its capital is the city of Siah Rud.DemographicsPopulationAt the time of the 2006 National Census, the district's population was 8,507 in 2,086 households. The following census in 2011 counted 8,436 people in 2,284 households. The 2016 census measured the population of the district as 8,006 inhabitants in 2,488 households.