Sussex is located in Wisconsin. Sussex, Wisconsin has a population of 11,421. Sussex is more family-centric than the surrounding county with 29% households with children. The county percentage for households with children is 28%.
The median household income in Sussex, Wisconsin is $84,087. The median household income for the surrounding county is $89,721 compared to the national median of $66,222. The median age of people living in Sussex is 42.1 years.
The average high temperature in July is 84.2 degrees, with an average low temperature in January of 11.4 degrees. The annual precipitation is 34.64.