| Native name | Persian: شهرستان ری |
|---|---|
| Country | Iran |
| Province | Tehran |
| Capital | Ray |
| Parts style | para |
| P 1 | Central |
| P 2 | Fashapuyeh |
| P 3 | Kahrizak |
| P 4 | Khavaran |
| P 5 | Qaleh Now |
| Established | 1986[1] |
| Area total | 2205.1 km² |
| Population as of | 2016 |
| Population total | 349700 |
| Coordinates | 35°22′N 51°17′E |
| Time zone | IRST (UTC+3:30) |
Ray County[a] (Persian: شهرستان ری) is in Tehran province, Iran. Its capital is the city of Ray.[1]
History
In 2009, villages were separated from the Central District in the formation of Khavaran District, which was divided into Khavaran-e Gharbi and Khavaran-e Sharqi Rural Districts.[2]
In 2012, Qaleh Now Rural District and portions of Kahrizak Rural District were separated from Kahrizak District in the establishment of Qaleh Now District, which was divided into two rural districts, including the new Chaleh Tarkhan Rural District.[3] In 2018, the village of Qaleh Now-e Khaleseh was converted to a city.[4]
Demographics
Population
At the time of the 2006 National Census, the county's population was 292,016 in 71,711 households.[5] The following census in 2011 counted 319,305 people in 85,445 households.[6] The 2016 census measured the population of the county as 349,700 in 96,996 households.[7]
Administrative divisions
Ray County's population history and administrative structure over three consecutive censuses are shown in the following table.
| Administrative Divisions | 2006[5] | 2011[6] | 2016[7] |
|---|---|---|---|
| Central District | 133,066 | 93,006 | 84,577 |
| Azimiyeh RD | 65,133 | 61,810 | 55,564 |
| Ghaniabad RD | 67,933 | 31,196 | 29,013 |
| Fashapuyeh District | 29,343 | 38,311 | 55,642 |
| Hasanabad RD | 5,033 | 4,909 | 2,777 |
| Koleyn RD | 3,859 | 5,543 | 8,943 |
| Hasanabad (city) | 20,451 | 27,859 | 43,922 |
| Kahrizak District | 129,607 | 140,177 | 124,704 |
| Kahrizak RD | 35,213 | 38,919 | 21,789 |
| Qaleh Now RD | 33,115 | 29,072 | |
| Baqershahr (city) | 52,575 | 59,091 | 65,388 |
| Kahrizak (city) | 8,704 | 13,095 | 37,527 |
| Khavaran District | 47,811 | 46,765 | |
| Khavaran-e Gharbi RD | 7,409 | 7,419 | |
| Khavaran-e Sharqi RD | 40,402 | 39,346 | |
| Qaleh Now District | 38,009 | ||
| Chaleh Tarkhan RD | 14,299 | ||
| Qaleh Now RD | 23,710 | ||
| Qaleh Now-e Khaleseh (city)[b] | |||
| Total | 292,016 | 319,305 | 349,700 |
| RD = Rural District | |||
Climate
According to the information of the State Meteorological Organization of Tehran province, the long-term average annual rainfall of Ray County is around 168.6 mm.[8]
Notes
- ^ According to the Iranian Chamber Society, the correct spelling of the city in both English and Persian is "Ray," (with an "a" vowel sound) though variations in spelling also exist.[9] The city university also uses the spelling "Ray" ("Azad University, Shahr-e-Ray")[10] as does the Encyclopædia Iranica published by Columbia University.[11]
- ^ Became a city after the 2016 census[4]
References
- ^ Mousavi, Mir-Hossein (16 March 1986 [تاریخ تصویب (Approval date) 1364/12/25 (Iranian Jalali calendar)]). "fa:ایجاد و تشکیل 4 بخش در شهرستان ری تابعه استان تهران به مرکزیت شهرری" [Creation and formation of 4 districts in Ray County, affiliated with Tehran province, centered in Ray city] (in Persian). لام تا کام [Lam ta Kam]. وزارت کشور [Ministry of the Interior]. هیات وزیران [Council of Ministers]. شناسه [ID] EEC5DF90-4D1D-4768-907D-D6C6D1DCD900. شماره دوره [Course number] 64, شماره جلد [Volume number] 10. Archived 21 June 2025 at the Wayback Machine. Retrieved 21 June 2025.
- ^ Rahimi, Mohammad Reza (9 August 2009 [تاریخ تصویب (Approval date) 1388/05/18 (Iranian Jalali calendar)]). "fa:تصویب نامه درخصوص تقسیمات کشوری در شهرستان ری در استان تهران" [Approval letter regarding national divisions in Ray County in Tehran province] (in Persian). لام تا کام [Lam ta Kam]. وزارت کشور [Ministry of the Interior]. کمیسیون سیاسی دفاعی هیأت دولت [Political Defense Commission of the Government Board]. شناسه [ID] F6CCCE3F-B310-4D53-828C-27E6CEAACB7. Archived 22 June 2025 at the Wayback Machine. Retrieved 22 June 2025.
- ^ Rahimi, Mohammad Reza (13 June 2012 [تاریخ تصویب (Approval date) 1391/03/24 (Iranian Jalali calendar)]). "fa:تصویب نامه در خصوص تقسیمات کشوری در شهرستان ری" [Approval letter regarding national divisions in Ray County] (in Persian). لام تا کام [Lam ta Kam]. وزارت کشور [Ministry of the Interior]. کمیسیون سیاسی دفاعی هیأت دولت [Political Defense Commission of the Government Board]. شماره ابلاغیه 124413/ت46952ک [Notification number 124413/T46952K]. Archived 22 June 2025 at the Wayback Machine. Retrieved 22 June 2025.
- ^ Fazli, Abdolreza Rahmani (29 July 2018 [تاریخ تصویب (Approval date) 1397/05/07 (Iranian Jalali calendar)]). "fa:مصوبات وزارت کشورپیرامون تبدیل روستاهای مرکز بخش به شهر" [Approvals of the Ministry of the Interior regarding the transformation of villages in the center of the district into cities] (in Persian). لام تا کام [Lam ta Kam]. وزارت کشور [Ministry of the Interior]. هیات وزیران [Council of Ministers]. شماره ابلاغیه ۸۷۹۷۹ [Notification Number 87979. Archived 7 December 2023 at the Wayback Machine. Retrieved 18 June 2025.
- ^ "fa:سرشماري عمومي نفوس و مسكن 1385 : استان تهران" [General Population and Housing Census 2006: Tehran Province] (Excel) (in Persian). مرکز آمار ایران [Statistical Centre of Iran]. Archived 20 September 2011 at the Wayback Machine. Retrieved 24 June 2025.
- ^ "fa:سرشماري عمومي نفوس و مسكن 1390 : استان تهران" [General Population and Housing Census 2011: Tehran Province] (Excel) (in Persian). Iran Data Portal—Syracuse University. مرکز آمار ایران [Statistical Centre of Iran]. Archived 20 January 2023 at the Wayback Machine. Retrieved 24 June 2025.
- ^ "fa:سرشماري عمومي نفوس و مسكن 1395 : استان تهران" [General Population and Housing Census 2016: Tehran Province] (Excel) (in Persian). مرکز آمار ایران [Statistical Centre of Iran]. Archived 12 December 2021 at the Wayback Machine. Retrieved 24 June 2025.
- ^ "اداره کل هواشناسی استانتهران بولتنماهانه" [Tehran Province Meteorological Department Monthly Bulletin] (in Persian)
- ^ "Iran Chamber Society: Iranian Cities: Shahr-e Ray". www.iranchamber.com. Retrieved 2021-07-13.
- ^ "Islamic Azad University, Shahr-e-Ray | TOP ranked University | University Directory". www.university-directory.eu. Retrieved 2021-07-13.
- ^ Foundation, Encyclopaedia Iranica. "Welcome to Encyclopaedia Iranica". iranicaonline.org. Retrieved 2021-07-13.