Carmel-by-the-Sea, CA has a population of 3,852 and is the 7,617th largest city in the United States. The population density is 3,566 per sq mi which is 1435% higher than the California average and 3836% higher than the national average. The median age in Carmel-by-the-Sea is 53 which is approximately 48% higher than the California average of 36. In Carmel-by-the-Sea, 67% of the population over 15 years of age are married, 90% speak English and 6% speak Spanish. 54% of Carmel-by-the-Sea residents were born in California, 38% were born out of state, 2% were born outside of the United States and 6% were foreign born.