South Williamson is located in Kentucky. South Williamson, Kentucky has a population of 421. South Williamson is less family-centric than the surrounding county with 20.59% of the households containing married families with children. The county average for households married with children is 26.28%.
The median household income in South Williamson, Kentucky is $103,973. The median household income for the surrounding county is $36,910 compared to the national median of $69,021. The median age of people living in South Williamson is 55.2 years.
The average high temperature in July is 87.5 degrees, with an average low temperature in January of 24.4 degrees. The average rainfall is approximately 45.3 inches per year, with 8.1 inches of snow per year.