Sky Valley, CA has a population of 2,574 and is the 9,664th largest city in the United States. The population density is 106 per sq mi which is 54% lower than the California average and 17% higher than the national average. The median age in Sky Valley is 50 which is approximately 40% higher than the California average of 36. In Sky Valley, 63% of the population over 15 years of age are married, 66% speak English and 32% speak Spanish. 50% of Sky Valley residents were born in California, 27% were born out of state, 2% were born outside of the United States and 21% were foreign born.