Dubois is a city of Clark County in the U.S. state of Idaho. Dubois is also the county seat of Clark. It was named after a former U.S. senator Fred Dubois. Dubois has a total area of about 2.2 sq. miles. The U.S. Sheep Experiment Station which is the second largest employer in the County is located here. Dubois is just by the National Forest of Caribou - Targhee. Farming and cattle rearing are some of the important economic activities of the area.