Shemiranat CountyShemiranat County is in Tehran province, Iran. Its capital is Tajrish.HistorySix villages merged to form the new city of Shemshak in 2012.DemographicsPopulationAt the time of the 2006 National Census, the county's population was 37,778 in 11,178 households. The following census in 2011 counted 44,061 people in 14,227 households. The 2016 census measured the population of the county as 47,279 in 16,107 households.Administrative divisionsShemiranat County's population history and administrative structure over three consecutive censuses are shown in the following table.ClimateAccording to the information of the State Meteorological Organization of Tehran province, the long-term average annual rainfall of Shemiranat is around 569.9 mm