At the time of the 2006 National Census, Irdemousa's population was 725 in 158 households, when it was a village in Sabalan Rural District of the former Sareyn District in Ardabil County. The following census in 2011 counted 789 people in 249 households, by which time the district had been separated from the county in the establishment of Sareyn County. The rural district was transferred to the new Sabalan District. The 2016 census measured the population of the village as 816 people in 279 households. It was the most populous village in its rural district.
↑Also romanized as Irde Mūsá; also known as Ardi Musa, Erdī Mūsá, Īrd Mūsī, and Īrdī Mūsá; rendered in census documents as (ارديموسي); romanized as Ardi Musi and Ardimusi
12Fazli, Abdolreza Rahmani (29 July 2018) [تاریخ تصویب (Approval date) 1397/05/07 (Iranian Jalali calendar)]. مصوبات وزارت کشورپیرامون تبدیل روستاهای مرکز بخش به شهر[Approvals of the Ministry of the Interior regarding the transformation of villages in the center of the district into cities]. لام تا کام [Lam ta Kam] (in Persian). وزارت کشور [Ministry of the Interior]. هیات وزیران [Council of Ministers]. شماره ابلاغیه ۸۷۹۷۹ [Notification Number 87979. Archived from the original on 7 December 2023. Retrieved 18 June 2025.
123سرشماري عمومي نفوس و مسكن 1395: استان اردبیل[General Population and Housing Census 2016: Ardabil Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 22 March 2019. Retrieved 20 June 2025.
12سرشماري عمومي نفوس و مسكن 1385: استان اردبیل[General Population and Housing Census 2006: Ardabil Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 20 September 2011. Retrieved 20 June 2025.
12سرشماري عمومي نفوس و مسكن 1390: استان اردبیل[General Population and Housing Census 2011: Ardabil Province]. Iran Data Portal—Syracuse University (in Persian). مرکز آمار ایران [Statistical Centre of Iran]. Archived from the original(Excel) on 15 January 2023. Retrieved 20 June 2025.
12Davoodi, Parviz (14 May 2009) [تاریخ تصویب (Approval date) 1388/03/03 (Iranian Jalali calendar)]. تصویب نامه در خصوص تقسیمات کشوری در استان اردبیل[Approval regarding national divisions in Ardabil province]. لام تا کام [Lam ta Kam] (in Persian). وزارت کشور [Ministry of the Interior]. هیات وزیران [Council of Ministers]. شناسه [ID] 8CA6796D-1A36-4FBB-BF61-6CDD8D649444. Archived from the original on 18 January 2025. Retrieved 18 June 2025.
↑Aref, Mohammad Reza (23 September 2001) [تاریخ تصویب (Approval date) 1380/07/01 (Iranian Jalali calendar)]. تصویب نامه راجع به اصلاحات تقسیماتی در استان اردبیل[Approval letter regarding division reforms in Ardabil province]. لام تا کام [Lam ta Kam] (in Persian). وزارت کشور [Ministry of the Interior]. هیات وزیران [Council of Ministers]. شناسه [ID] DAED7506-1623-41FE-85EB-0829B935FB10. شماره دوره [Course number] 80. Archived from the original on 19 June 2025. Retrieved 19 June 2025.