Carlsbad is a coastal city in the San Diego County, California, United States portion of North County. The city is 35 miles north of downtown San Diego and 87 miles south of downtown Los Angeles. Carlsbad is a popular destination for visitors. The projected population of the city for is over 115,000.? Among the top 20 wealthiest cities in the country, Carlsbad is California's 5th richest community with a median household income close to $105,000. The key industries in Carlsbad include computer technology, production of video games, engineering, robots, medical equipment, life science, wireless technology, renewable technology, action sports, entertainment, production of architecture and real estate. Because of its golf industry, Carlsbad is also known as the "Titanium Valley".