Sirdan

Sirdan is a city in, and the capital of, Tarom-e Sofla District of Qazvin County, Qazvin province, Iran.

Population
At the time of the 2006 National Census, the city's population was 462 in 182 households. The following census in 2011 counted 1,038 people in 403 households. The 2016 census measured the population of the city as 805 people in 300 households.