In 2023, Leylan District[c] was separated from Malekan County in the establishment of Leylan County and renamed the Central District. The new county was divided into two districts of two rural districts each, with Leylan as its capital and only city at the time.[5]
Demographics
Population
At the time of the 2006 National Census, the district's population (as Leylan District of Malekan County) was 23,234 in 5,341 households.[6] The following census in 2011 counted 24,169 people in 6,688 households.[7] The 2016 census measured the population of the district as 25,381 inhabitants in 7,526 households.[4]
123Habibi, Hassan (1 October 1995) [تاریخ تصویب (Approval date) 1374/07/09 (Iranian Jalali calendar)]. اصلاحات تقسیماتی در استان آذربایجان شرقی[Divisional reforms in East Azerbaijan province]. لام تا کام [Lam ta Kam] (in Persian). وزارت کشور [Ministry of the Interior]. کمیسیون سیاسی دفاعی هیأت دولت [Political Defense Commission of the Government Board]. شناسه [ID] 6C055B6E-BFC4-4C08-B946-11EA395502F4. شماره دوره [Course number] 74. Archived from the original on 14 September 2025. Retrieved 14 September 2025.
123سرشماري عمومي نفوس و مسكن 1395: استان آذربایجان شرقی[General Population and Housing Census 2016: East Azerbaijan Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 13 November 2020. Retrieved 19 December 2022.
123456Mokhber, Mohammad (3 May 2023) [تاریخ تصویب (Approval date) 1402/02/13 (Iranian Jalali calendar)]. تغييرات تقسيمات كشوري شهرستان ملكان و ليلان استان آذربايجان شرقي[Changes in the national divisions of Malekan and Leylan Counties, East Azerbaijan province]. سامانه ملی قوانین و مقررات [National System of Laws and Regulations] (in Persian). وزارت کشور [Ministry of the Interior]. هیات وزیران [Council of Ministers]. پيشنهاد شماره ۱۴۱۶۷۰ [Proposal Number 141670]. Archived from the original on 6 August 2023. Retrieved 14 September 2025.
12سرشماري عمومي نفوس و مسكن 1385: استان آذربایجان شرقی[General Population and Housing Census 2006: East Azerbaijan Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 20 September 2011. Retrieved 25 September 2022.
12سرشماري عمومي نفوس و مسكن 1390: استان آذربایجان شرقی[General Population and Housing Census 2011: East Azerbaijan Province]. Iran Data Portal—Syracuse University (in Persian). مرکز آمار ایران [Statistical Centre of Iran]. Archived from the original(Excel) on 16 January 2023. Retrieved 19 December 2022.
