Canton Valley, CT has a population of 1,500 and is the 12,681st largest city in the United States. The population density is 853 per sq mi which is 32% higher than the Connecticut average and 841% higher than the national average. The median age in Canton Valley is 49 which is approximately 20% higher than the Connecticut average of 41. In Canton Valley, 59% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 62% of Canton Valley residents were born in Connecticut, 36% were born out of state, 1% were born outside of the United States and 1% were foreign born.