La Riviera, CA has a population of 10,550 and is the 3,785th largest city in the United States. The population density is 5,704 per sq mi which is 2354% higher than the California average and 6195% higher than the national average. The median age in La Riviera is 35 which is approximately 2% lower than the California average of 36. In La Riviera, 48% of the population over 15 years of age are married, 79% speak English and 10% speak Spanish. 64% of La Riviera residents were born in California, 22% were born out of state, 1% were born outside of the United States and 13% were foreign born.