Cambria, CA has a population of 6,198 and is the 5,635th largest city in the United States. The population density is 728 per sq mi which is 213% higher than the California average and 704% higher than the national average. The median age in Cambria is 61 which is approximately 69% higher than the California average of 36. In Cambria, 69% of the population over 15 years of age are married, 81% speak English and 15% speak Spanish. 58% of Cambria residents were born in California, 28% were born out of state, 2% were born outside of the United States and 13% were foreign born.