Rolling Hills CDP, CA has a population of 832 and is the 16,335th largest city in the United States. The population density is 1,406 per sq mi which is 505% higher than the California average and 1451% higher than the national average. The median age in Rolling Hills CDP is 57 which is approximately 58% higher than the California average of 36. In Rolling Hills CDP, 72% of the population over 15 years of age are married, 88% speak English and 7% speak Spanish. 73% of Rolling Hills CDP residents were born in California, 20% were born out of state, 0% were born outside of the United States and 7% were foreign born.