Lake California is a census-designated place (CDP) in Tehama County, California. Lake California sits at an elevation of 597ft. The 2010 United States census reported Lake California's population was 3,054.GeographyAccording to the United States Census Bureau, the CDP covers an area of 6.6 square miles (17.2 km²), 6.3 square miles (16.3 km²) of it land and 0.3 square miles (0.9 km²) of it (5.02%) water.DemographicsThe 2010 United States Census reported that Lake California had a population of 3,054. The population density was 460.8 people per square mile (177.9/km²). The racial makeup of Lake California was 2,751 (90.1%) White, 11 (0.4%) African American, 81 (2.7%) Native American, 31 (1.0%) Asian, 6 (0.2%) Pacific Islander, 55 (1.8%) from other races, and 119 (3.9%) from two or more races. Hispanic or Latino of any race were 251 persons (8.2%).The Census reported that 3,054 people (100% of the population) lived in households, 0 (0%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.