Housatonic, MA has a population of 688 and is the 17,586th largest city in the United States. The population density is 772 per sq mi which is 23% higher than the Massachusetts average and 752% higher than the national average. The median age in Housatonic is 37 which is approximately 7% lower than the Massachusetts average of 39. In Housatonic, 59% of the population over 15 years of age are married, 89% speak English and 6% speak Spanish. 50% of Housatonic residents were born in Massachusetts, 27% were born out of state, 3% were born outside of the United States and 20% were foreign born.