Dastjerd () is a village in Mohajeran Rural District of Lalejin District, Bahar County, Hamadan province, Iran.
At the time of the 2006 National Census, the village's population was 2,907 in 695 households. The following census in 2011 counted 3,068 people in 906 households. The 2016 census measured the population of the village as 2,955 people in 941 households. It was the most populous village in its rural district.