Sanandaj County (Persian: شهرستان سنندج) is in Kurdistan province, Iran.

[5] After the 2016 National Census, the village of Hoseynabad was elevated to the status of a city.

[citation needed] At the time of the 2006 census, the county's population was 409,628 in 105,247 households.

[2] Sanandaj County's population history and administrative structure over three consecutive censuses are shown in the following table.

Media related to Sanandaj County at Wikimedia Commons