University at Buffalo, NY has a population of 6,230 and is the 5,612th largest city in the United States. The population density is 4,613 per sq mi which is 1186% higher than the New York average and 4992% higher than the national average. The median age in University at Buffalo is 20 which is approximately 48% lower than the New York average of 38. In University at Buffalo, 1% of the population over 15 years of age are married, 66% speak English and 5% speak Spanish. 71% of University at Buffalo residents were born in New York, 9% were born out of state, 1% were born outside of the United States and 20% were foreign born.