Shell Ridge, CA has a population of 1,123 and is the 14,442nd largest city in the United States. The population density is 2,612 per sq mi which is 1024% higher than the California average and 2783% higher than the national average. The median age in Shell Ridge is 42 which is approximately 15% higher than the California average of 36. In Shell Ridge, 85% of the population over 15 years of age are married, 51% speak English and 9% speak Spanish. 46% of Shell Ridge residents were born in California, 20% were born out of state, 7% were born outside of the United States and 27% were foreign born.