Shemiranat County (Persian: شهرستان شمیرانات) is in Tehran province, Iran.

[4] After the 2011 National Census, six villages merged in the establishment of the new city of Shemshak.

[7] The 2016 census measured the population of the county as 47,279 in 16,107 households.

[2][a] Shemiranat County's population history and administrative structure over three consecutive censuses are shown in the following table.

According to the information of the State Meteorological Organization of Tehran province, the long-term average annual rainfall of Shemiranat is around 569.9 mm[8] Media related to Shemiranat County at Wikimedia Commons Iran portal