Rio Linda, CA has a population of 14,938 and is the 2,846th largest city in the United States. The population density is 1,506 per sq mi which is 548% higher than the California average and 1562% higher than the national average. The median age in Rio Linda is 38 which is approximately 6% higher than the California average of 36. In Rio Linda, 55% of the population over 15 years of age are married, 73% speak English and 13% speak Spanish. 70% of Rio Linda residents were born in California, 14% were born out of state, 1% were born outside of the United States and 16% were foreign born.