At the time of the 2006 National Census, the city's population was 38,260 in 9,260 households. The following census in 2011 counted 39,484 people in 10,994 households. The 2016 census measured the population of the city as 43,760 people in 13,206 households.
12سرشماري عمومي نفوس و مسكن 1395: استان گلستان[General Population and Housing Census 2016: Golestan Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 29 March 2019. Retrieved 19 December 2022.
↑مشخصات عمومی و پیشینه تاریخی شهرستان آزادشهر[General characteristics and historical background of Azadshahr city]. آزادشهر [Azadshahr] (in Persian). 18 May 2014 [تاریخ: 28 اردیبهشت 1393 (Date: 28 Ordibehesht 1393) (Iranian Jalali calendar)]. Archived from the original on 25 April 2017. Retrieved 8 December 2025.
↑Habibi, Hassan (6 June 2001) [تاریخ تصویب (Approval date) 1380/03/16 (Iranian Jalali calendar)]. تصویب نامه راجع به تغییر نام دهستان خرمارود به دهستان خرمارود جنوبی[Approval letter regarding changing the name of Khormarud Rural District to Khormarud-e Jonubi Rural District]. لام تا کام [Lam ta Kam] (in Persian). وزارت کشور [Ministry of the Interior]. هیات وزیران [Council of Ministers]. شناسه [ID] 3AE483F2-C260-46C3-8F41-12A27526D4A7. شماره دوره [Course number] 80. Archived from the original on 13 February 2024. Retrieved 8 December 2025.
↑سرشماري عمومي نفوس و مسكن 1385: استان گلستان[General Population and Housing Census 2006: Golestan 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 گلستان[General Population and Housing Census 2011: Golestan 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.