Pemberwick, CT has a population of 4,286 and is the 7,131st largest city in the United States. The population density is 6,315 per sq mi which is 758% higher than the Connecticut average and 6870% higher than the national average. The median age in Pemberwick is 39 which is approximately 5% lower than the Connecticut average of 41. In Pemberwick, 59% of the population over 15 years of age are married, 80% speak English and 6% speak Spanish. 41% of Pemberwick residents were born in Connecticut, 40% were born out of state, 2% were born outside of the United States and 16% were foreign born.