Carlsbad is a coastal city in the North County region of San Diego County, California, United States. The city is 87 miles south of downtown Los Angeles and 35 miles north of downtown San Diego and is part of the San Diego-Carlsbad, CA Metropolitan Statistical Area. Carlsbad is a popular tourist destination. The city's estimated 2018 population was 115,877. Among the nation's top 20 wealthiest communities, Carlsbad is the 5th richest city in the state of California with a median household income close to $105,000.