Wilbraham, MA has a population of 3,916 and is the 7,543rd largest city in the United States. The population density is 700 per sq mi which is 11% higher than the Massachusetts average and 673% higher than the national average. The median age in Wilbraham is 50 which is approximately 26% higher than the Massachusetts average of 39. In Wilbraham, 66% of the population over 15 years of age are married, 94% speak English and 2% speak Spanish. 72% of Wilbraham residents were born in Massachusetts, 23% were born out of state, 1% were born outside of the United States and 5% were foreign born.