Stafford Springs, CT has a population of 5,044 and is the 6,434th largest city in the United States. The population density is 791 per sq mi which is 22% higher than the Connecticut average and 773% higher than the national average. The median age in Stafford Springs is 39 which is approximately 4% lower than the Connecticut average of 41. In Stafford Springs, 47% of the population over 15 years of age are married, 90% speak English and 6% speak Spanish. 64% of Stafford Springs residents were born in Connecticut, 30% were born out of state, 2% were born outside of the United States and 4% were foreign born.