57779 St. Onge, SD is a small township located in Meade County. It has a modest population of around 221 people and an estimated median household income of $52,639. Locally owned businesses are scattered throughout the town and include establishments such as The Outpost Bar & Grill, Lovers Leap Hobby Shop, and Hay Camp Brewing Co. 2 Bedroom rent in this area is around $860 per month, which is significantly lower than the US average of $1,430. Furthermore, Grocery Cost Index here stands at 97 versus 100 in the US - indicating that essentials tend to be cheaper than many other places.