Harmon, SD is a small town with a population of just over 600 people. It is a peaceful community where everyone knows each other and looks out for one another. The town has all the amenities you would need like grocery stores, restaurants, and schools. There are plenty of outdoor activities to do such as hiking, camping, fishing, or hunting in the nearby areas. Harmon provides an overall relaxed atmosphere with plenty of quiet time and friendly neighbors that make it an enjoyable place to live.