At the time of the 2006 National Census, Eresk's population was 2,657 in 783 households, when it was a village in Eresk Rural District of the former Boshruyeh District in Ferdows County. The village was converted to a city in 2010.[citation needed] The following census in 2011 counted 2,954 people in 909 households, by which time the district had been separated from the county in the establishment of Boshruyeh County. The rural district was transferred to the new Eresk District. In 2013, the Supreme Council of Urban Planning and Architecture reviewed the Comprehensive and Detailed Plan of the City of Eresk. The 2016 census measured the population of the city as 2,955 people in 980 households.
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.
12Davoodi, Parviz (19 October 2008) [تاریخ تصویب (Approval date) 28/7/1387 (Iranian Jalali calendar)]. تصویبنامه درخصوص تشکیل دهستان کرند در تابعیت بخش بشرویه شهرستان فردوس[Approval of the decree on the establishment of Korond Rural District in the subordination of the Boshruyeh District of Ferdows County]. 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.] 163407/42/4/1. Archived from the original on 19 March 2016. Retrieved 7 April 2026.
↑Mousavi, Mir-Hossein (1 July 1987) [تاریخ تصویب (Approval date) 1366.4.10 (Iranian Jalali calendar)]. ایجاد و تشکیل 6 دهستان شامل روستاها، مزارع و مکانها در قسمتی از شهرستان فردوس تابع استان خراسان[Creation and formation of six rural districts including villages, farms and places in a part of Ferdows 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.] 40.1.5.53. Archived from the original on 9 September 2010. Retrieved 8 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.
↑ Gharavi, Mir Mohammad (22 July 2013) [۳۱/۴/۱۳۹۲ بررسی (Reviewed on 31/4/1392) (Iranian Jalali calendar)]. مصوبه شورای عالی شهرسازی و معماری ایران در خصوص طرح جامع ـ تفصیلی شهر ارسک[Resolution of the Supreme Council of Urban Planning and Architecture of Iran regarding the Comprehensive and Detailed Plan of the City of Eresk]. مرکز پژوهشهای مجلس شورای اسلامی ایران [Research Center of the Islamic Consultative Assembly of Iran] (in Persian). شورای عالی شهرسازی و معماری ایران در [Supreme Council of Urban Planning and Architecture of Iran]. هیات وزیران [Council of Ministers]. شماره ابلاغیه: ۳۰۰/۳۳۹۲۵ [Notification Number: 300/33925]. Archived from the original on 27 October 2013. Retrieved 8 April 2026.