Lake Pocotopaug, CT has a population of 3,415 and is the 8,168th largest city in the United States. The population density is 1,076 per sq mi which is 66% higher than the Connecticut average and 1088% higher than the national average. The median age in Lake Pocotopaug is 46 which is approximately 14% higher than the Connecticut average of 41. In Lake Pocotopaug, 57% of the population over 15 years of age are married, 88% speak English and 7% speak Spanish. 65% of Lake Pocotopaug residents were born in Connecticut, 25% were born out of state, 4% were born outside of the United States and 6% were foreign born.