Litchfield is a census-designated place in Lassen County, California. It is located in the northeastern part of California, close to the town of Susanville and along the Highway 395 corridor. This region is known for its open landscapes, ranching, and proximity to natural attractions like Lassen Volcanic National Park, Eagle Lake, and the Modoc Plateau. Its population is 160 as of the 2020 census, down from 195 from the 2010 census.