| Native name | Persian: شهرستان سمنان |
|---|---|
| Country | Iran |
| Province | Semnan |
| Capital | Semnan |
| Parts style | para |
| P 1 | Central |
| Population as of | 2016 |
| Population total | 196521 |
| Coordinates | 35°07′N 53°49′E |
| Time zone | IRST (UTC+3:30) |
Semnan County (Persian: شهرستان سمنان) is in Semnan province, Iran. Its capital is the city of Semnan.[1]
History
In 2007, Mehdishahr District was separated from the county in the establishment of Mehdishahr County.[2] In 2012, Sorkheh District[a] was separated from the county to establish Sorkheh County[3] and renamed the Central District in 2021.[4]
Demographics
Population
At the time of the 2006 National Census, the county's population was 186,159 in 52,869 households.[5] The following census in 2011 counted 182,260 people in 53,107 households.[6] The 2016 census measured the population of the county as 196,521 in 52,011 households.[7]
Administrative divisions
Semnan 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 | 135,872 | 167,407 | 196,521 |
| Howmeh RD | 10,873 | 13,727 | 11,392 |
| Semnan (city) | 124,999 | 153,680 | 185,129 |
| Mehdishahr District[b] | 36,093 | ||
| Chashm RD | 6,414 | ||
| Poshtkuh RD | 1,825 | ||
| Mehdishahr (city) | 20,581 | ||
| Shahmirzad (city) | 7,273 | ||
| Sorkheh District[c] | 14,194 | 14,853 | |
| Hafdar RD | 2,997 | 2,985 | |
| Lasgerd RD | 2,135 | 2,157 | |
| Sorkheh (city) | 9,062 | 9,711 | |
| Total | 186,159 | 182,260 | 196,521 |
| RD = Rural District | |||
Notes
- ^ Renamed the Central District of Sorkheh County[4]
- ^ Transferred to Mehdishahr County[2]
- ^ Transferred to Sorkheh County[3] and renamed the Central District[4]
References
- ^ Habibi, Hassan (12 September 1990 [تاریخ تصویب (Approval date) 1369/06/21 (Iranian Jalali calendar)]). "fa:تصویب سازمان و سلسله تابعیت عناصر و واحدهای تقسیمات کشوری استان سمنان به مرکزیت شهر سمنان" [Approval of the organization and chain of citizenship of the elements and units of the national divisions of Semnan province, centered in Semnan city] (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] 6E990373-75CA-4068-833E-25F3268CCDCE. شماره دوره [Course number] 69, شماره جلد [Volume number] 3. Archived 2 January 2024 at the Wayback Machine. Retrieved 24 January 2026.
- ^ Davoodi, Parviz (9 December 2007 [تاریخ تصویب (Approval date) 1386/09/18 (Iranian Jalali calendar)]). "fa:تصویب نامه درخصوص اصلاحات تقسیمات کشوری در استان سمنان" [Approval regarding the reforms of national divisions in Semnan 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] 5B5D84AC-D66D-497B-A9BD-AA6DBDEFA34B. Archived 2 January 2024 at the Wayback Machine. Retrieved 27 January 2026.
- ^ Rahimi, Mohammad Reza (30 September 2012 [تاریخ تصویب (Approval date) 9/7/1391 (Iranian Jalali calendar)]). "fa:تصویب نامه در خصوص ایجاد شهرستان سرخه به مرکزیت شهر سرخهدر استان سمنان" [Approval regarding the establishment of Sorkheh County with Sorkheh city as its center in Semnan 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]. شماره ابلاغیه 219942/ت48486هـ [Notification number 219942/T48486 AH]. Archived 29 January 2026 at the Wayback Machine. Retrieved 29 January 2026.
- ^ Jahangiri, Eshaq (17 March 2021 [تاریخ تصویب (Approval date) 1399,12,27 (Iranian Jalali calendar)]). "fa:تصويب نامه در خصوص تقسيمات كشوري در شهرستان سمنان استان سمنان" [Approval letter regarding country divisions in Semnan County, Semnan Province] (in Persian). سامانه ملی قوانین و مقررات [National System of Laws and Regulations]. وزارت کشور [Ministry of the Interior]. هیات وزیران [Council of Ministers]. پيشنهاد شماره [Proposal Number] 153538. Archived 25 April 2023 at the Wayback Machine. Retrieved 29 January 2026.
- ^ "fa:سرشماري عمومي نفوس و مسكن 1385 : استان سمنان" [General Population and Housing Census 2006: Semnan Province] (Excel) (in Persian). مرکز آمار ایران [Statistical Centre of Iran]. Archived 20 September 2011 at the Wayback Machine. Retrieved 25 September 2022.
- ^ "fa:سرشماري عمومي نفوس و مسكن 1390 : استان سمنان" [General Population and Housing Census 2011: Semnan 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 19 December 2022.
- ^ "fa:سرشماري عمومي نفوس و مسكن 1395 : استان سمنان" [General Population and Housing Census 2016: Semnan Province] (Excel) (in Persian). مرکز آمار ایران [Statistical Centre of Iran]. Archived 17 November 2020 at the Wayback Machine. Retrieved 19 December 2022.