Language and ethnicity The majority of people in the northeast of the province, in
Alamut, are
Mazandarani or
Gilaks who speak a dialect of the
Mazandarani or
Gilaki language. Other sources say that the majority of people in Alamut are
Tats. The
Kurdish people in Qazvin province are divided into the tribes of Ghiasvand, Kakavand,
Lajan,
Bajalan, Bahtuʾi, Chamishgazak, Maʿāfi, Reshvand, Jalilvand, and Kalhor.
Population At the time of the 2006 National Census, the province's population was 1,127,734 in 294,305 households. The following census in 2011 counted 1,201,565 inhabitants living in 352,472 households. The 2016 census measured the population of the province as 1,273,761 people in 397,165 households.
Administrative divisions The population history and structural changes of Qazvin province's administrative divisions over three consecutive censuses are shown in the following table.
Cities According to the 2016 census, 952,149 people (nearly 75% of the population of Qazvin province) live in the following cities: ==Geography ==