Rochester, NY has a population of 210,291 and is the 106th largest city in the United States. The population density is 5,878 per sq mi which is 1539% higher than the New York average and 6388% higher than the national average. The median age in Rochester is 31 which is approximately 18% lower than the New York average of 38. In Rochester, 31% of the population over 15 years of age are married, 80% speak English and 13% speak Spanish. 68% of Rochester residents were born in New York, 17% were born out of state, 6% were born outside of the United States and 9% were foreign born.