Crescent City, CA has a population of 6,965 and is the 5,198th largest city in the United States. The population density is 3,547 per sq mi which is 1427% higher than the California average and 3816% higher than the national average. The median age in Crescent City is 35 which is approximately 2% lower than the California average of 36. In Crescent City, 31% of the population over 15 years of age are married, 80% speak English and 15% speak Spanish. 70% of Crescent City residents were born in California, 21% were born out of state, 1% were born outside of the United States and 7% were foreign born.