Deep River Center, CT has a population of 2,321 and is the 10,216th largest city in the United States. The population density is 904 per sq mi which is 40% higher than the Connecticut average and 898% higher than the national average. The median age in Deep River Center is 41 which is approximately 2% higher than the Connecticut average of 41. In Deep River Center, 52% of the population over 15 years of age are married, 95% speak English and 2% speak Spanish. 70% of Deep River Center residents were born in Connecticut, 24% were born out of state, 1% were born outside of the United States and 6% were foreign born.