La Palma, CA has a population of 15,834 and is the 2,704th largest city in the United States. The population density is 8,878 per sq mi which is 3720% higher than the California average and 9700% higher than the national average. The median age in La Palma is 42 which is approximately 17% higher than the California average of 36. In La Palma, 59% of the population over 15 years of age are married, 58% speak English and 8% speak Spanish. 53% of La Palma residents were born in California, 12% were born out of state, 2% were born outside of the United States and 33% were foreign born.