At the time of the 2006 National Census, the village's population was 134 in 43 households, when it was in Shusef District.[5] The following census in 2011 counted 65 people in 26 households.[6] The 2016 census measured the population of the village as 36 people in 19 households.[2]
In 2020, the rural district was separated from the district in the formation of Sardaran District.[7]
12سرشماري عمومي نفوس و مسكن 1395: استان خراسان جنوبی[General Population and Housing Census 2016: South Khorasan Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 17 October 2020. Retrieved 19 December 2022.
↑Soreykhan-e Sofla can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3082830" in the "Unique Feature Id" form, and clicking on "Search Database".
↑Mousavi, Mir-Hossein (1 July 1987) [تاریخ تصویب (Approval date) 1366/04/10 (Iranian Jalali calendar)]. ایجاد و تشکیل تعداد 21 دهستان شامل روستاها، مزارع و مکانها در قسمتی از شهرستان بیرجند تابع استان خراسان[Creation and formation of 21 rural districts including villages, farms and places in a part of Birjand County under Khorasan province]. مرکز پژوهشهای مجلس شورای اسلامی ایران [Research Center of the Islamic Consultative Assembly of Iran] (in Persian). وزارت کشور [Ministry of the Interior]. هیات وزیران [Council of Ministers]. پیشنهاد شماره [Proposal No.] 545.1.5.53. Archived from the original on 12 February 2017. Retrieved 6 April 2026.
↑سرشماري عمومي نفوس و مسكن 1385: استان خراسان جنوبی[General Population and Housing Census 2006: South Khorasan Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 20 September 2011. Retrieved 25 September 2022.
↑سرشماري عمومي نفوس و مسكن 1390: استان خراسان جنوبی[General Population and Housing Census 2011: South Khorasan Province]. Iran Data Portal—Syracuse University (in Persian). مرکز آمار ایران [Statistical Centre of Iran]. Archived from the original(Excel) on 20 January 2023. Retrieved 19 December 2022.
↑Jahangiri, Eshaq (18 October 2020) [۱۳۹۹/۷/۲۷ تصویب (Approved 1399/7/27) (Iranian Jalali calendar)]. تصویبنامه در خصوص تقسیمات کشوری در شهرستان نهبندان استان خراسان جنوبی[Resolution on the national divisions in Nehbandan County, South Khorasan province]. پژوهشکده حقوقی شهر دانش [Shahr Danesh Law Research Institute] (in Persian). وزارت کشور [Ministry of the Interior]. هیات وزیران [Council of Ministers]. پیشنهاد شماره ۱۳۴۶۲۶ [Proposal No. 134626]. Archived from the original on 21 April 2021. Retrieved 20 April 2026.