Loomis is located in South Dakota. Loomis, South Dakota has a population of 0. The county average for households married with children is 27.17%.
The median household income for the surrounding county is $48,665 compared to the national median of $57,652.
The average high temperature in July is 86.6 degrees, with an average low temperature in January of 8.3 degrees. The average rainfall is approximately 25.1 inches per year, with 34.6 inches of snow per year.