Sowme'eh Sara County () is in Gilan province, Iran. Its capital is the city of Sowme'eh Sara.
At the 2006 census, the county's population was 129,629 in 35,636 households. The following census in 2011 counted 127,757 people in 39,238 households. At the 2016 census, the county's population was 125,074 in 41,975 households. This county is located in the west of Gilan and is surrounded by Fuman County, Masal County, and Bandar-e Anzali County.
Administrative divisions
The population history of Sowme'eh Sara County's administrative divisions over three consecutive censuses is shown in the following table. The latest census shows three districts, seven rural districts, and three cities.
After the census, Pishkhan Rural District was established in the Central District. Taher Gurab Rural District was separated from the district in the formation of Taher Gurab District, which was divided into two rural districts, including the new Abatar Rural District. Likewise, Ziabar Rural District was separated from the district in the establishment of Ziabar District, also divided into two rural districts that included the newly formed Baham Bar Rural District. Neither of the new districts contains a city.