Lower Lake, California Lower Lake, California Lower Lake (formerly Grantville) is a census-designated place (CDP) in the southern Clear Lake region of Lake County, in northern California. Lower Lake is also an Indian rancheria of the Koi Nation people. Lower Lake is located 4.5 miles (7.2 km) southwest of the City of Clearlake, and southeast of Kelseyville. It is at an elevation of 1371 feet (418 m). Lower Lake was at one point the county seat, the Lake County elections of 1867 were hotly contested with the seat moving between what is now the city of Lakeport and the town of Lower Lake,
Lower Lake, California that Lower Lake had a population of 1,294. The population density was 480.8 people per square mile (185.6/km²). The racial makeup of Lower Lake was 1,031 (79.7%) White, 20 (1.5%) African American, 18 (1.4%) Native American, 13 (1.0%) Asian, 1 (0.1%) Pacific Islander, 125 (9.7%) from other races, and 86 (6.6%) from two or more races. Hispanic or Latino of any race were 219 persons (16.9%). The Census reported that 1,291 people (99.8% of the population) lived in households, 3 (0.2%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized. There were 552 households, out of which 146 (26.4%)