Grenville is located in South Dakota. Grenville, South Dakota has a population of 45. Grenville is less family-centric than the surrounding county with 19% households with children. The county percentage for households with children is 23%.
The median household income in Grenville, South Dakota is $51,786. The median household income for the surrounding county is $49,615 compared to the national median of $66,222. The median age of people living in Grenville is 47.7 years.
The average high temperature in July is 83.2 degrees, with an average low temperature in January of 0.9 degrees. The annual precipitation is 20.95.