At the time of the 2006 National Census, the city's population was 13,535 in 3,468 households. The following census in 2011 counted 14,267 people in 4,227 households. The 2016 census measured the population of the city as 14,633 people in 4,515 households.
In 2020, Imanshahr was divided into the two new cities of Ashtarjan and Minadasht.
123Habibi, Hassan (31 May 2000) [تاریخ تصویب (Approval date) 1379.03.11 (Iranian Jalali calendar)]. ایجاد تغییرات و اصلاحات تقسیماتی در استان اصفهان[Creating divisional changes and reforms in Isfahan 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] 0295C8AF-7E05-4C9A-A7FD-7300B41F5788. شماره دوره [Course number] 79. Archived from the original on 29 November 2024. Retrieved 8 May 2026.
12سرشماري عمومي نفوس و مسكن 1395: استان اصفهان[General Population and Housing Census 2016: Isfahan Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 19 October 2020. Retrieved 19 December 2022.
↑Mousavi, Mir-Hossein (1 July 1987) [تاریخ تصویب (Approval date) 1366.4.10 (Iranian Jalali calendar)]. ایجاد و تشکیل تعداد 5 دهستان شامل روستاها، مزارع و مکانها در قسمتی از شهرستان فلاورجان تابع استان اصفهان[Creation and formation of five rural districts including villages, farms and places in a part of Falavarjan County under Isfahan 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.] 11802.1.5.53. Archived from the original on 27 April 2013. Retrieved 8 May 2026.
↑سرشماري عمومي نفوس و مسكن 1385: استان اصفهان[General Population and Housing Census 2006: Isfahan 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 اصفهان[General Population and Housing Census 2011: Isfahan Province]. Iran Data Portal—Syracuse University (in Persian). مرکز آمار ایران [Statistical Centre of Iran]. Archived from the original(Excel) on 17 January 2023. Retrieved 19 December 2022.
↑Jahangiri, Eshaq (16 December 2020) [۱۳۹۹/۹/۲۶ تصویب (Approved 1399/9/26) (Iranian Jalali calendar)]. تصویبنامه در خصوص تقسیمات کشوری در شهرستان فلاورجان استان اصفهان[Resolution on the national divisions in Falavarjan County, Isfahan 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 ۶۴۸۷۱ [Proposal No. 64871]. Archived from the original on 27 February 2021. Retrieved 8 May 2026.
↑پس از تصویب هیأت دولت، ایمانشهر در شهرستان فلاورجان به دو شهر مینادشت و اشترجان تقسیم شد[After the approval of the Government Board, Imanshahr in Falavarjan County was divided into Minadasht and Ashtarjan cities]. خبرگزاری فارس [Fars News Agency] (in Persian). 19 December 2020 [۱۳۹۹-۹-۲۹ (Approval date) 1399/9/29 (Iranian Jalali calendar)]. Archived from the original on 11 June 2023. Retrieved 8 May 2026.