North Brookfield, MA has a population of 2,278 and is the 10,307th largest city in the United States. The population density is 1,544 per sq mi which is 145% higher than the Massachusetts average and 1604% higher than the national average. The median age in North Brookfield is 40 which is approximately 2% higher than the Massachusetts average of 39. In North Brookfield, 62% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 82% of North Brookfield residents were born in Massachusetts, 16% were born out of state, 0% were born outside of the United States and 2% were foreign born.