At the time of the 2006 National Census, the city's population was 8,704 in 2,178 households.[6] The following census in 2011 counted 13,095 people in 2,925 households.[7] The 2016 census measured the population of the city as 37,527 people in 10,701 households.[2]
The city is known as one of the oldest residential areas in Iran. There are few historical monuments in Kahrizak from its ancient history, A part of the buildings of the sugar factory and two summer residences of Fakhr al-Doleh Qajar are still standing.[citation needed]
^Kahrizak can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3068566" in the "Unique Feature Id" form, and clicking on "Search Database".