Redondo Beach, CA has a population of 67,664 and is the 544th largest city in the United States. The population density is 10,916 per sq mi which is 4597% higher than the California average and 11949% higher than the national average. The median age in Redondo Beach is 41 which is approximately 13% higher than the California average of 36. In Redondo Beach, 56% of the population over 15 years of age are married, 76% speak English and 10% speak Spanish. 50% of Redondo Beach residents were born in California, 29% were born out of state, 1% were born outside of the United States and 19% were foreign born.