Grenville is located in South Dakota. Grenville, South Dakota has a population of 64. Grenville is less family-centric than the surrounding county with 0% of the households containing married families with children. The county average for households married with children is 23.36%.
The median household income for the surrounding county is $52,775 compared to the national median of $69,021. The median age of people living in Grenville is 57.4 years.
The average high temperature in July is 82 degrees, with an average low temperature in January of 2.6 degrees. The average rainfall is approximately 23.7 inches per year, with 43.1 inches of snow per year.