Lake Elsinore, CA has a population of 60,230 and is the 643rd largest city in the United States. The population density is 1,584 per sq mi which is 582% higher than the California average and 1649% higher than the national average. The median age in Lake Elsinore is 30 which is approximately 16% lower than the California average of 36. In Lake Elsinore, 56% of the population over 15 years of age are married, 61% speak English and 33% speak Spanish. 63% of Lake Elsinore residents were born in California, 15% were born out of state, 1% were born outside of the United States and 21% were foreign born.