Council Grove is a city in Morris County, Kansas, United States. It is also the county seat of Morris County. This city is fifty-five miles southwest of Topeka. It was named after an agreement between European Americans and the Osage Nation about allowing settlers' wagon trains to go through the area to go West. Pioneers came together at a grove of trees so that wagons could stay together for their trip west. In 2010, 2,182 people lived there.