The natives of the Lavasanat District are of Caspian origin.[5] The local dialect, or vernacular, spoken by its natives is a mix ofPersian andCaspian.[5] In the village ofIra (as well as Veskara), this vernacular approachesMazandarani.[5]
At the time of the 2006 National Census, the district's population was 22,289 in 6,615 households.[6] The following census in 2011 counted 25,376 people in 8,196 households.[7] The 2016 census measured the population of the district as 29,860 inhabitants in 10,138 households.[4]
^abMousavi, Mir-Hossein (9 August 1987) [تاریخ تصویب (Approval date) 1366/05/18 (Iranian Jalali calendar)].ایجاد و تشکیل 3 شهر و 2 بخش و 3 دهستان در شهرستان شمیرانات تابعه استان تهران شاهدشهر [Creation and formation of three cities, two districts, and three rural districts in Shemiranat County under Tehran province].لام تا کام [Lam ta Kam] (in Persian).وزارت کشور [Ministry of the Interior].هیات وزیران [Council of Ministers].شناسه [ID] 0B4CF2DD-708C-4E3D-AA8E-165B4425697F.شماره دوره [Course number] 66,شماره جلد [Volume number] 11. Archived fromthe original on 5 February 2024. Retrieved22 June 2025.
^abcسرشماري عمومي نفوس و مسكن 1395 : استان تهران [General Population and Housing Census 2016: Tehran Province].مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived fromthe original(Excel) on 12 December 2021. Retrieved24 June 2025.
^abسرشماري عمومي نفوس و مسكن 1385 : استان تهران [General Population and Housing Census 2006: Tehran Province].مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived fromthe original(Excel) on 20 September 2011. Retrieved24 June 2025.
^abسرشماري عمومي نفوس و مسكن 1390 : استان تهران [General Population and Housing Census 2011: Tehran Province].Iran Data Portal—Syracuse University (in Persian).مرکز آمار ایران [Statistical Centre of Iran]. Archived fromthe original(Excel) on 20 January 2023. Retrieved24 June 2025.
