Groton Long Point, CT has a population of 477 and is the 19,826th largest city in the United States. The population density is 1,116 per sq mi which is 72% higher than the Connecticut average and 1132% higher than the national average. The median age in Groton Long Point is 67 which is approximately 64% higher than the Connecticut average of 41. In Groton Long Point, 83% of the population over 15 years of age are married, 93% speak English and 3% speak Spanish. 47% of Groton Long Point residents were born in Connecticut, 49% were born out of state, 0% were born outside of the United States and 4% were foreign born.