At the time of the 2006 National Census, the city's population was 3,886 in 946 households.[5] The following census in 2011 counted 4,393 people in 1,184 households.[6] The 2016 census measured the population of the city as 4,762 people in 1,332 households.[4]
123Aref, Mohammad Reza (4 July 2004) [تاریخ تصویب (Approval date) 1383.4.14 (Iranian Jalali calendar)]. تبدیل شدن روستاهای یونسی ، اسلام آباد، اسفدن ، سده ، زهان در استان خراسان رضوی به شهرهای یونسی ، نیمبلوک ، اسفدن ، آرین شهر[The transformation of the villages of Yunesi, Eslamabad, Esfeden, Sedeh, and Zohan in Khorasan Razavi province into the cities of Yunesi, Nimbeluk, Esfeden, and Arianshahr]. مرکز پژوهشهای مجلس شورای اسلامی ایران [Research Center of the Islamic Consultative Assembly of Iran] (in Persian). وزارت کشور [Ministry of the Interior]. کمیسیون سیاسی دفاعی هیأت دولت [Political Defense Commission of the Government Board]. پیشنهاد شماره [Proposal No.] 1.4.42.52102. Archived from the original on 20 October 2020. Retrieved 25 April 2026.
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.
↑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.
