# Semnan County

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Not to be confused with [Semnan province](/source/Semnan_province) or [Semirom County](/source/Semirom_County).

**Semnan County** (Persian: شهرستان سمنان) is in [Semnan](/source/Semnan_province) province, Iran. Its capital is the city of [Semnan](/source/Semnan,_Iran).[1]

## History

In 2007, [Mehdishahr District](/source/Mehdishahr_District) was separated from the county in the establishment of [Mehdishahr County](/source/Mehdishahr_County).[2] In 2012, [Sorkheh District](/source/Central_District_(Sorkheh_County))[a] was separated from the county to establish [Sorkheh County](/source/Sorkheh_County)[3] and renamed the [Central District](/source/Central_District_(Sorkheh_County)) 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.

Semnan County Population 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

1. Renamed the [Central District](/source/Central_District_(Sorkheh_County)) of [Sorkheh County](/source/Sorkheh_County)[4]

1. Transferred to [Mehdishahr County](/source/Mehdishahr_County)[2]

1. Transferred to Sorkheh County[3] and renamed the Central District[4]

## References

1. 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"](https://lamtakam.com/law/council_of_ministers/113023) [‌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](https://web.archive.org/web/20240102114018/https://lamtakam.com/law/council_of_ministers/113023) 2 January 2024 at the Wayback Machine. Retrieved 24 January 2026.

1. 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"](https://lamtakam.com/law/council_of_ministers/134980) [‌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](https://web.archive.org/web/20240102175534/https://lamtakam.com/law/council_of_ministers/134980) 2 January 2024 at the Wayback Machine. Retrieved 27 January 2026.

1. 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"](https://lamtakam.com/law/council_of_ministers/829640) [‌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](https://web.archive.org/web/20260129150737/https://lamtakam.com/law/council_of_ministers/829640) 29 January 2026 at the Wayback Machine. Retrieved 29 January 2026.

1. 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"](https://qavanin.ir/Law/TreeText/292228) [‌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](https://web.archive.org/web/20230425135530/https://qavanin.ir/Law/TreeText/292228) 25 April 2023 at the Wayback Machine. Retrieved 29 January 2026.

1. ["fa:سرشماري عمومي نفوس و مسكن 1385 : استان سمنان"](http://www.amar.org.ir/DesktopModules/FTPManager/upload/upload2360/newjkh/newjkh/20.xls) [General Population and Housing Census 2006: Semnan Province] (Excel) (in Persian). *مرکز آمار ایران [Statistical Centre of Iran]*. [Archived](https://web.archive.org/web/20110920095232/http://www.amar.org.ir/DesktopModules/FTPManager/upload/upload2360/newjkh/newjkh/20.xls) 20 September 2011 at the Wayback Machine. Retrieved 25 September 2022.

1. ["fa:سرشماري عمومي نفوس و مسكن 1390 : استان سمنان"](https://irandataportal.syr.edu/wp-content/uploads/Semnan.xls) [General Population and Housing Census 2011: Semnan Province] (Excel) (in Persian). *Iran Data Portal—Syracuse University*. مرکز آمار ایران [Statistical Centre of Iran]. [Archived](https://web.archive.org/web/20230120141324/https://irandataportal.syr.edu/wp-content/uploads/Semnan.xls) 20 January 2023 at the Wayback Machine. Retrieved 19 December 2022.

1. ["fa:سرشماري عمومي نفوس و مسكن 1395 : استان سمنان"](https://www.amar.org.ir/Portals/0/census/1395/results/abadi/CN95_HouseholdPopulationVillage_20.xlsx) [General Population and Housing Census 2016: Semnan Province] (Excel) (in Persian). *مرکز آمار ایران [Statistical Centre of Iran]*. [Archived](https://web.archive.org/web/20201117022823/https://www.amar.org.ir/Portals/0/census/1395/results/abadi/CN95_HouseholdPopulationVillage_20.xlsx) 17 November 2020 at the Wayback Machine. Retrieved 19 December 2022.

## External links

- [SemnanLine NEWSPORTAL](https://web.archive.org/web/20141023081231/http://www.semnanline.com/)

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Adapted from the Wikipedia article [Semnan County](https://en.wikipedia.org/wiki/Semnan_County) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Semnan_County?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.