Pawcatuck, CT has a population of 5,141 and is the 6,340th largest city in the United States. The population density is 1,507 per sq mi which is 133% higher than the Connecticut average and 1563% higher than the national average. The median age in Pawcatuck is 42 which is approximately 2% higher than the Connecticut average of 41. In Pawcatuck, 49% of the population over 15 years of age are married, 92% speak English and 2% speak Spanish. 26% of Pawcatuck residents were born in Connecticut, 69% were born out of state, 0% were born outside of the United States and 4% were foreign born.