At the time of the 2006 National Census, the city's population was 19,353 in 5,265 households. The following census in 2011 counted 21,156 people in 6,231 households. The 2016 census measured the population of the city as 21,181 people in 6,677 households.
12سرشماري عمومي نفوس و مسكن 1395: استان مرکزی[General Population and Housing Census 2016: Markazi Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 17 October 2020. Retrieved 21 July 2026.
↑Aref, Mohammad Reza (22 May 2002) [تاریخ تصویب (Approval date) 1381/03/01 (Iranian Jalali calendar)]. تغییرات تقسیماتی در استانهای مرکزی و کرمانشاه[Divisional changes in Markazi and Kermanshah provinces]. 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] A8792AA8-BA9D-4415-B290-819E73426BA3. Archived from the original on 18 January 2024. Retrieved 21 July 2026.
↑Habibi, Hassan (12 September 1990) [تاریخ تصویب (Approval date) 1369.6.21 (Iranian Jalali calendar)]. تصویب سازمان و سلسله تابعیت عناصر و واحدهای تقسیمات کشوی استان مرکزی به تابعیت شهر اراک[Approval of the organization and chain of citizenship of the elements and units of Markazi province's divisions to the citizenship of Arak city]. 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] C8D0283F-9CAE-434C-B258-560EA411B87C. شماره دوره [Course number] 69, شماره جلد [Volume number] 3. Archived from the original on 18 January 2024. Retrieved 21 July 2026.
↑سرشماري عمومي نفوس و مسكن 1385: استان مرکزی[General Population and Housing Census 2006: Markazi Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 20 September 2011. Retrieved 21 July 2026.
↑سرشماري عمومي نفوس و مسكن 1390: استان مرکزی[General Population and Housing Census 2011: Markazi Province]. Iran Data Portal—Syracuse University (in Persian). مرکز آمار ایران [Statistical Centre of Iran]. Archived from the original(Excel) on 19 January 2023. Retrieved 21 July 2026.