North Troy, VT has a population of 572 and is the 18,664th largest city in the United States. The population density is 306 per sq mi which is 350% higher than the Vermont average and 237% higher than the national average. The median age in North Troy is 38 which is approximately 9% lower than the Vermont average of 42. In North Troy, 52% of the population over 15 years of age are married, 96% speak English and 0% speak Spanish. 76% of North Troy residents were born in Vermont, 20% were born out of state, 2% were born outside of the United States and 3% were foreign born.