At the time of the 2006 National Census, the city's population wa 15,104 in 3,348 households. The following census in 2011 counted 14,996 people in 3,972 households. The 2016 census measured the population of the city as 15,290 people in 4,217 households.
Economy
Shal is historically known as a center of sheep breeding.:858
In literature
The 14th-century author Hamdallah Mustawfi listed Shal as one of the main villages in the territory of Qazvin.
12سرشماري عمومي نفوس و مسكن 1395: استان قزوین[General Population and Housing Census 2016: Qazvin Province]. مرکز آمار ایران [Statistical Centre of Iran] (in Persian). Archived from the original(Excel) on 30 November 2021. Retrieved 19 December 2022.
↑Habibi, Hassan (20 July 1997) [تاریخ تصویب (Approval date) 1376/04/29 (Iranian Jalali calendar)]. تغییرات تقسیمات کشوری در شهرستان بویین زهرا در استان قزوین[Changes in the national divisions in Buin Zahra County in Qazvin 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] 80CDFE19-D021-4D3D-8886-DCB00934881F. شماره دوره [Course number] 76, شماره جلد [Volume number] 253. Archived from the original on 26 June 2025. Retrieved 26 June 2025.
↑Habibi, Hassan (1 June 1997) [تاریخ تصویب (Approval date) 1376/03/11 (Iranian Jalali calendar)]. ایجاد و تأسیس دهستان خرم آباد به مرکزیت روستای خرم آباد در تابعیت شهرستان قزوین و بخش دشت آبی به مرکزیت شهرستان و بخش رامند به مرکزیت شهر دانسفهان در تابعیت شهرستان بوئین زهرا[Creation and establishment of Khorramabad District centered on Khorramabad village under the citizenship of Qazvin County and Dashtabi District centered on the city and Ramand District centered on Danesfahan city under the citizenship of Buin Zahra County]. 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] 86E1A6C2-5700-45E3-ABC6-C49B5CA2BEEE. شماره دوره [Course number] 76, شماره جلد [Volume number] 254. Archived from the original on 26 June 2025. Retrieved 26 June 2025.
↑سرشماري عمومي نفوس و مسكن 1385: استان قزوین[General Population and Housing Census 2006: Qazvin 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 قزوین[General Population and Housing Census 2011: Qazvin 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 19 December 2022.