Qarah Mohammad () is a village in Karasf Rural District of the Central District in Khodabandeh County, Zanjan province, Iran.
At the time of the 2006 National Census, the village's population was 618 in 146 households. The following census in 2011 counted 647 people in 172 households. The 2016 census measured the population of the village as 630 people in 194 households.