Qarah Su Rural District (Khoy County)

Qarah Su Rural District is in the Central District of Khoy County, West Azerbaijan province, Iran. It is administered from the city of Dizaj Diz.

Population
At the time of the 2006 National Census, the rural district's population was 17,600 in 3,531 households. There were 9,977 inhabitants in 2,610 households at the following census of 2011. The 2016 census measured the population of the rural district as 10,271 in 2,891 households. The most populous of its 34 villages was Seyyed Taj ol Din, with 2,612 people.