Burlingame, CA has a population of 30,118 and is the 1,421st largest city in the United States. The population density is 6,837 per sq mi which is 2842% higher than the California average and 7446% higher than the national average. The median age in Burlingame is 41 which is approximately 13% higher than the California average of 36. In Burlingame, 59% of the population over 15 years of age are married, 66% speak English and 8% speak Spanish. 49% of Burlingame residents were born in California, 22% were born out of state, 2% were born outside of the United States and 28% were foreign born.