Qarah Aghaj () is a village in, and the capital of, Baranduzchay-ye Shomali Rural District in the Central District of Urmia County, West Azerbaijan province, Iran.
At the time of the 2006 National Census, the village's population was 1,554 in 413 households. The following census in 2011 counted 1,246 people in 411 households. The 2016 census measured the population of the village as 1,505 people in 492 households.