Almanor was a census-designated place in Plumas County, California, United States. The population was 0 at the 2010 Census. Almanor is located 7mi south-southeast of Chester.HistoryThe name comes from three daughters of Guy C. Earl, president of the Great Western Power Co.: "Alice", "Martha", and "Elinor". The Almanor post office opened in 1926.GeographyAlmanor is located at, on the south-west shoreline of Lake Almanor.According to the United States Census Bureau, the CDP has a total area of 0.9sqmi, all land.DemographicsAs of the 2010 Census, there were no people living in the CDP.