Suffield Depot, CT has a population of 1,534 and is the 12,552nd largest city in the United States. The population density is 779 per sq mi which is 20% higher than the Connecticut average and 760% higher than the national average. The median age in Suffield Depot is 35 which is approximately 13% lower than the Connecticut average of 41. In Suffield Depot, 49% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 55% of Suffield Depot residents were born in Connecticut, 41% were born out of state, 1% were born outside of the United States and 3% were foreign born.