Janesville is located in California. Janesville, California has a population of 2,874. Janesville is less family-centric than the surrounding county with 7.62% of the households containing married families with children. The county average for households married with children is 21.06%.
The median household income in Janesville, California is $68,286. The median household income for the surrounding county is $59,292 compared to the national median of $69,021. The median age of people living in Janesville is 51.3 years.
The average high temperature in July is 87.7 degrees, with an average low temperature in January of 23.5 degrees. The average rainfall is approximately 12.8 inches per year, with 18.6 inches of snow per year.
