Quchan County (Persian: شهرستان قوچان) is in Razavi Khorasan province, Iran.

[4] After the 2016 National Census, the villages of Almajeq,[5] Mezerj,[6] and Shahr-e Kohneh[5] were elevated to city status.

[8] At the time of the 2006 census, the county's population was 179,613 in 45,502 households.

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

Media related to Quchan County at Wikimedia Commons