District_20_(Tehran)
Ray County, Iran
County in Tehran province, Iran
Ray County (Persian: شهرستان ری) is in Tehran province, Iran. Its capital is the city of Ray.[3]
At the 2006 census, the county's population was 292,016 in 71,711 households.[4] The following census in 2011 counted 319,305 people in 85,445 households,[5] by which time villages had been separated from the Central District in the establishment of Khavaran District.[6] At the 2016 census, the county's population was 349,700 in 96,996 households,[2] when Qaleh Now Rural District had been separated from Kahrizak District in the establishment of Qaleh Now District.[7]
According to the information of the State Meteorological Organization of tehran province, the long-term average annual rainfall of ray is around 168.6 mm[8]