| Shahmirzad District | |
| Native Name: | Persian: بخش شهمیرزاد |
| Native Name Lang: | fa |
| Settlement Type: | District |
| Pushpin Map: | Iran |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Country |
| Subdivision Name: | Iran |
| Subdivision Type1: | Province |
| Subdivision Name1: | Semnan |
| Subdivision Type2: | County |
| Subdivision Name2: | Mehdishahr |
| Seat Type: | Capital |
| Seat: | Shamirzad |
| Unit Pref: | Metric |
| Population As Of: | 2016 |
| Population Total: | 16694 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
Shahmirzad District (Persian: بخش شهمیرزاد) is in Mehdishahr County, Semnan province, Iran. Its capital is the city of Shamirzad.[2]
After the 2006 National Census, Mehdishahr District was separated from Semnan County in the establishment of Mehdishahr County, which was divided into two districts and three rural districts, with the city of Mehdishahr as its capital.[2]
At the time of the 2011 census, the district's population was 16,782 people in 4,908 households.[3] The 2016 census measured the population of the district as 16,694 inhabitants in 5,695 households.[4]
| Administrative Divisions | 2011 | 2016 | |
|---|---|---|---|
| 2,183 | 1,659 | ||
| 5,717 | 3,844 | ||
| Shahmirzad (city) | 8,882 | 11,191 | |
| Total | 16,782 | 16,694 | |