San Bernardino, CA has a population of 214,581 and is the 102nd largest city in the United States. The population density is 3,488 per sq mi which is 1401% higher than the California average and 3750% higher than the national average. The median age in San Bernardino is 29 which is approximately 20% lower than the California average of 36. In San Bernardino, 42% of the population over 15 years of age are married, 50% speak English and 45% speak Spanish. 65% of San Bernardino residents were born in California, 11% were born out of state, 1% were born outside of the United States and 23% were foreign born.