Plumas County is a county located in the Sierra Nevada of the U.S. state of California. As of the 2020 United States census, the population was 19,790. The county seat is Quincy, and the only incorpor
La Porte is a census-designated place in Plumas County, California, United States. The population was 65 at the 2020 census. The town was known as Rabbit Creek until 1857.