Eslamshahr County should not be confused with Eslamabad-e Gharb County.
| Eslamshahr County | |
| Native Name: | fa|شهرستان اسلامشهر |
| Settlement Type: | County |
| Image Map1: | IranTehran-SVG.svg |
| Map Caption1: | Location of Tehran province in Iran |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Tehran |
| Seat Type: | Capital |
| Seat: | Eslamshahr |
| Parts Type: | Districts |
| Parts Style: | para |
| P1: | Central |
| P2: | Ahmadabad-e Mostowfi |
| P3: | Chahardangeh |
| Area Total Km2: | 193 |
| Population As Of: | 2016 |
| Population Total: | 548620 |
| Population Density Km2: | auto |
| Coordinates: | 35.5833°N 68°W |
| Coordinates Footnotes: | [1] |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Eslamshahr County (fa|شهرستان اسلامشهر) is in Tehran province, Iran. Its capital is the city of Eslamshahr.[2]
After the 2006 National Census, Chahardangeh Rural District was established in Chahardangeh District.[2]
After the 2011 census, Bahramabad Rural District was created in the Central District, and Ahmadabad-e Mostowfi Rural District was separated from it in the formation of Ahmadabad-e Mostowfi District, which was divided into two rural districts, including the new Chichaklu Rural District. The village of Ahmadabad-e Mostowfi was elevated to the status of a city.[3]
At the time of the 2006 census, the county's population was 447,192 in 114,009 households.[4] The following census in 2011 counted 485,688 people in 139,408 households.[5] The 2016 census measured the population of the county as 548,620 in 168,288 households.[6]
Eslamshahr County's population history and administrative structure over three consecutive censuses are shown in the following table.
| Administrative Divisions | 2006 | 2011 | 2016 | |
|---|---|---|---|---|
| Central District | 394,151 | 427,883 | 465,353 | |
| Ahmadabad-e Mostowfi RD | 14,154 | 15,887 | ||
| 9,599 | ||||
| 22,826 | 22,894 | 7,625 | ||
| Eslamshahr (city) | 357,171 | 389,102 | 448,129 | |
| Ahmadabad-e Mostowfi District | 22,611 | |||
| 3,910 | ||||
| 4,624 | ||||
| Ahmadabad-e Mostowfi (city) | 14,077 | |||
| Chahardangeh District | 53,041 | 57,805 | 60,631 | |
| 1,607 | ||||
| 10,882 | 11,501 | 9,074 | ||
| Chahardangeh (city) | 42,159 | 46,299 | 49,950 | |
| Total | 447,192 | 485,688 | 548,620 | |
According to the information of the State Meteorological Organization of Iran, the long-term average annual rainfall of Eslamshahr County is around 215 mm[7]