Norfolk, CT has a population of 491 and is the 19,653rd largest city in the United States. The population density is 528 per sq mi which is 18% lower than the Connecticut average and 483% higher than the national average. The median age in Norfolk is 58 which is approximately 44% higher than the Connecticut average of 41. In Norfolk, 52% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 65% of Norfolk residents were born in Connecticut, 32% were born out of state, 1% were born outside of the United States and 2% were foreign born.