Behshahr County (Persian: شهرستانِ بِهْشَهْر)[a] is in Mazandaran province, Iran on the Caspian Sea.

[4] At the time of the 2006 National Census, the county's population was 154,957 in 40,432 households.

[6] The 2016 census measured the population of the county as 168,769 in 55,140 households.

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

Media related to Behshahr County at Wikimedia Commons