River Pines, CA has a population of 574 and is the 18,711th largest city in the United States. The population density is 1,569 per sq mi which is 575% higher than the California average and 1632% higher than the national average. The median age in River Pines is 46 which is approximately 28% higher than the California average of 36. In River Pines, 69% of the population over 15 years of age are married, 87% speak English and 13% speak Spanish. 76% of River Pines residents were born in California, 20% were born out of state, 0% were born outside of the United States and 3% were foreign born.