Newton, MA has a population of 88,317 and is the 369th largest city in the United States. The population density is 4,953 per sq mi which is 687% higher than the Massachusetts average and 5367% higher than the national average. The median age in Newton is 41 which is approximately 4% higher than the Massachusetts average of 39. In Newton, 60% of the population over 15 years of age are married, 74% speak English and 4% speak Spanish. 45% of Newton residents were born in Massachusetts, 32% were born out of state, 2% were born outside of the United States and 21% were foreign born.