Janesville is located in Wisconsin. Janesville, Wisconsin has a population of 64,845. Janesville is less family-centric than the surrounding county with 27% households with children. The county percentage for households with children is 28%.
The median household income in Janesville, Wisconsin is $57,408. The median household income for the surrounding county is $59,712 compared to the national median of $66,222. The median age of people living in Janesville is 40.1 years.
The average high temperature in July is 83.8 degrees, with an average low temperature in January of 8.6 degrees. The annual precipitation is 32.78.