Elkhorn, CA has a population of 1,091 and is the 14,602nd largest city in the United States. The population density is 227 per sq mi which is 2% lower than the California average and 151% higher than the national average. The median age in Elkhorn is 49 which is approximately 36% higher than the California average of 36. In Elkhorn, 69% of the population over 15 years of age are married, 69% speak English and 24% speak Spanish. 57% of Elkhorn residents were born in California, 24% were born out of state, 1% were born outside of the United States and 18% were foreign born.