Brisbane, CA has a population of 4,568 and is the 6,869th largest city in the United States. The population density is 1,476 per sq mi which is 535% higher than the California average and 1529% higher than the national average. The median age in Brisbane is 43 which is approximately 20% higher than the California average of 36. In Brisbane, 56% of the population over 15 years of age are married, 58% speak English and 14% speak Spanish. 55% of Brisbane residents were born in California, 19% were born out of state, 1% were born outside of the United States and 24% were foreign born.