Las Lomas, CA has a population of 3,047 and is the 8,734th largest city in the United States. The population density is 2,938 per sq mi which is 1048% higher than the California average and 3143% higher than the national average. The median age in Las Lomas is 29 which is approximately 21% lower than the California average of 36. In Las Lomas, 57% of the population over 15 years of age are married, 12% speak English and 88% speak Spanish. 52% of Las Lomas residents were born in California, 3% were born out of state, 1% were born outside of the United States and 45% were foreign born.