Lassen County URL: https://knowledge.ivjn.us/en/places/ca-lassen-county.html Lassen County is a county of California, United States. ## Overview Lassen County is a county of [California](https://knowledge.ivjn.us/en/places/california.html), United States (FIPS ca035), with a population of about 32,730[^geonames]. ## Geography - Coordinates: 40.6736, -120.5943 - Time zone: America/Los_Angeles Updated: 2026-10-29 Relations: - Located in: California https://knowledge.ivjn.us/en/places/california.html - Contains places: Bieber https://knowledge.ivjn.us/en/places/ca-bieber.html - Contains places: Clear Creek https://knowledge.ivjn.us/en/places/ca-clear-creek.html - Contains places: Doyle https://knowledge.ivjn.us/en/places/ca-doyle.html - Contains places: Herlong https://knowledge.ivjn.us/en/places/ca-herlong.html - Contains places: Janesville https://knowledge.ivjn.us/en/places/ca-janesville.html - Contains places: Johnstonville https://knowledge.ivjn.us/en/places/ca-johnstonville.html - Contains places: Litchfield https://knowledge.ivjn.us/en/places/ca-litchfield.html - Contains places: Milford https://knowledge.ivjn.us/en/places/ca-milford.html - Contains places: Nubieber https://knowledge.ivjn.us/en/places/ca-nubieber.html - Contains places: Patton Village https://knowledge.ivjn.us/en/places/ca-patton-village.html Mentioned in: - Bieber https://knowledge.ivjn.us/en/places/ca-bieber.html - Clear Creek https://knowledge.ivjn.us/en/places/ca-clear-creek.html - Doyle https://knowledge.ivjn.us/en/places/ca-doyle.html - Herlong https://knowledge.ivjn.us/en/places/ca-herlong.html - Janesville https://knowledge.ivjn.us/en/places/ca-janesville.html - Johnstonville https://knowledge.ivjn.us/en/places/ca-johnstonville.html - Litchfield https://knowledge.ivjn.us/en/places/ca-litchfield.html - Milford https://knowledge.ivjn.us/en/places/ca-milford.html - Nubieber https://knowledge.ivjn.us/en/places/ca-nubieber.html - Patton Village https://knowledge.ivjn.us/en/places/ca-patton-village.html Sources: - GeoNames US dataset (US.txt / admin2Codes.txt) https://download.geonames.org/export/dump/US.zip