Amherst, South Dakota (57421) is a small city with a population of about 20 people. The average 2 bedroom rent in Amherst is $820, which is significantly lower than the US average of $1,430. The grocery cost index in Amherst is 97, just slightly lower than the national average of 100. The city has been said to be a great place to live and work due to its low cost of living and strong local economy. The city boasts many amenities such as shops, restaurants, schools and entertainment venues. Popular local companies include Amherst Plumbing & Heating Supplies, Grinder’s Grocery Store, and KQ Country Club & Lounge. With its convenient location near larger cities like Sioux Falls and Rapid City and its low cost of living, Amherst is an attractive destination for both businesses and residents alike.