San Rafael, CA has a population of 58,948 and is the 667th largest city in the United States. The population density is 3,558 per sq mi which is 1431% higher than the California average and 3827% higher than the national average. The median age in San Rafael is 42 which is approximately 16% higher than the California average of 36. In San Rafael, 52% of the population over 15 years of age are married, 64% speak English and 25% speak Spanish. 47% of San Rafael residents were born in California, 25% were born out of state, 1% were born outside of the United States and 27% were foreign born.