Quick information summary of the Janesville CDP area.
Janesville CDP is located in the state of California. It occupies the area of 14 square miles. 1 square miles are water areas and 14 square miles remain for land areas. Center of the Janesville CDP lies at +40.2741619, -120.5489065 coordinates. According to the 2010 Census, there are 1.408 living in the Janesville CDP. The racial makeup shows these 3 races as the most frequent : White (91.12%), Two or More races (2.77%) and American Indian and Alaska Native (2.27%). Median age is 45 for the males and 45 for the females.