Calpine, California

Calpine is a census-designated place in Sierra County, California, United States. Calpine sits at an elevation of 5689ft. The 2010 United States census reported Calpine's population was 205.GeographyAccording to the United States Census Bureau, the CDP covers an area of 0.7 square miles (1.8 km²), 99.69% of it land and 0.31% of it water.HistoryThe town was founded to support the Davies-Johnson Lumber Mill around 1919. From 1921 until 1940, a branch of the Western Pacific Railroad served the town and the mill, working out of Portola, California. The timber stocks were gone by 1939 and the mill closed soon after.DemographicsThe 2010 United States Census reported that Calpine had a population of 205. The population density was 287.9 people per square mile (111.2/km²). The racial makeup of Calpine was 184 (89.8%) White, 0 (0.0%) African American, 0 (0.0%) Native American, 0 (0.0%) Asian, 1 (0.5%) Pacific Islander, 10 (4.9%) from other races, and 10 (4.9%) from two or more races. Hispanic or Latino of any race were 26 persons (12.7%).