Karaj County (Persian: شهرستان کرج) is in Alborz province, Iran.

[6] In 2013, the city of Meshkin Dasht, the Fardis neighborhood[a] in the city of Karaj, and other parts of the county were separated from it to establish Fardis County.

[7] At the time of the 2006 National Census, the county's population was 1,709,481 in 472,365 households.

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

Media related to Karaj County at Wikimedia Commons Iran portal