Williamson is located in Iowa. Williamson, Iowa has a population of 163. Williamson is more family-centric than the surrounding county with 43.75% of the households containing married families with children. The county average for households married with children is 27.04%.
The median household income in Williamson, Iowa is $56,875. The median household income for the surrounding county is $55,297 compared to the national median of $69,021. The median age of people living in Williamson is 29.1 years.
The average high temperature in July is 85.5 degrees, with an average low temperature in January of 11.7 degrees. The average rainfall is approximately 37.8 inches per year, with 25.2 inches of snow per year.
