South Prairie is located in Washington. South Prairie, Washington has a population of 406. South Prairie is less family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 29%.
The median household income in South Prairie, Washington is $100,456. The median household income for the surrounding county is $76,047 compared to the national median of $66,222. The median age of people living in South Prairie is 45.4 years.
The average high temperature in July is 75.7 degrees, with an average low temperature in January of 31.7 degrees. The annual precipitation is 48.69.