Lassen County » Janesville
Place » City
| Janesville | |
| Janesville is a small unincorporated community located in Lassen County, northeastern California, United States. It is situated about 5 miles south of Susanville, the county seat of Lassen County. Its population is 2,461 as of the 2020 census, up from 1,408 from the 2010 census. | |
