At the time of the 2006 National Census, the county's population was 146,536 in 39,554 households. The following census in 2011 counted 157,149 people in 46,726 households. The 2016 census measured the population of the county as 168,664 in 52,778 households.
Administrative divisions
Kashmar County's population history and administrative structure over three consecutive censuses are shown in the following table.
123سرشماري عمومي نفوس و مسكن 1395: استان خراسان رضوی[General Population and Housing Census 2016: Razavi Khorasan Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 2 April 2022. Retrieved 19 December 2022.
↑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 خراسان به مرکزیت شهر مشهد[Approval of the organization and chain of citizenship of the elements and units of the divisions of Khorasan province, centered in Mashhad]. 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]. 84902ت125ک [84902T125K]. Archived from the original on 17 November 2015. Retrieved 31 January 2026.
123Jahangiri, Eshaq (4 December 2019) [۱۳۹۸/۹/۱۳ تصویب (Approved 13/9/1398} (Iranian Jalali calendar)]. تصویب نامه درخصوص تقسیمات کشوری در استان خراسان رضوی[Resolution on national divisions in Khorasan Razavi 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]. ۲۰۵۲۸۵ پیشنهاد شماره [Proposal No. 205285]. Archived from the original on 24 January 2020. Retrieved 4 March 2026.
↑Jahangiri, Eshaq (17 March 2021) [مصوب (Approved) 27/12/1399 (Iranian Jalali calendar)]. تصويب نامه در خصوص تقسيمات كشوري در شهرستان كاشمر استان خراسان رضوي[Approval letter regarding national divisions in Kashmar County, Razavi Khorasan province]. سامانه ملی قوانین و مقررات [National System of Laws and Regulations] (in Persian). وزارت کشور [Ministry of the Interior]. هیات وزیران [Council of Ministers]. پيشنهاد شماره [Proposal Number] 67426. Archived from the original on 1 May 2023. Retrieved 4 March 2026.
12فرگقلعه؛ شهری در حال پیشرفت، پروژههای آینده و چالشهای مالی[Farg Qaleh: A city in progress; future projects and financial challenges]. خبرگزاری ایسنا [Iranian Students' News Agency] (in Persian). 15 February 2025 [شنبه ۲۷ بهمن ۱۴۰۳ (Shanbeh 27 Bahman 1403) (Iranian Jalali calendar)]. کد خبر [News Code] 1403112317420. Archived from the original on 15 February 2025. Retrieved 4 March 2026. از سال ۱۴۰۱ که روستای فرگ و قلعه بالا یکی شدند و به شهر... [Since 1401 (2022), when the village of Farg and Qaleh-ye Bala were united and became the city...]
12سرشماري عمومي نفوس و مسكن 1385: استان خراسان رضوی[General Population and Housing Census 2006: Razavi Khorasan Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 20 September 2011. Retrieved 25 September 2022.
12سرشماري عمومي نفوس و مسكن 1390: استان خراسان رضوی[General Population and Housing Census 2011: Razavi 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.