Lomita, CA has a population of 20,652 and is the 2,101st largest city in the United States. The population density is 10,800 per sq mi which is 4547% higher than the California average and 11820% higher than the national average. The median age in Lomita is 40 which is approximately 12% higher than the California average of 36. In Lomita, 51% of the population over 15 years of age are married, 67% speak English and 20% speak Spanish. 60% of Lomita residents were born in California, 16% were born out of state, 2% were born outside of the United States and 22% were foreign born.