Lake Elsinore or LE is a city in western Riverside County, California. The population was 51,821 at the 2010 census. It is the home of the Lake Elsinore Storm baseball club of the California League which plays at the Lake Elsinore Diamond.
According to the United States Census Bureau, the city has a total area of 41.7 square miles (108.0 km²) of which 36.2 square miles (93.8 km²) of it is land and 5.5 square miles (14.2 km²), or 13.14%, is water.
Native Americans have long lived in the area. The Luiseño were the earliest known inhabitants. Their pictographs can be found on rocks on the Santa Ana Mountains and in Temescal Valley and artifacts have been found all around Lake Elsinore and in the local canyons and hills.