Montecito, CA has a population of 9,193 and is the 4,196th largest city in the United States. The population density is 984 per sq mi which is 323% higher than the California average and 986% higher than the national average. The median age in Montecito is 49 which is approximately 35% higher than the California average of 36. In Montecito, 59% of the population over 15 years of age are married, 86% speak English and 6% speak Spanish. 45% of Montecito residents were born in California, 43% were born out of state, 1% were born outside of the United States and 11% were foreign born.