Noank, CT has a population of 1,889 and is the 11,364th largest city in the United States. The population density is 1,239 per sq mi which is 91% higher than the Connecticut average and 1267% higher than the national average. The median age in Noank is 51 which is approximately 26% higher than the Connecticut average of 41. In Noank, 62% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 43% of Noank residents were born in Connecticut, 52% were born out of state, 2% were born outside of the United States and 4% were foreign born.