Terryville, NY has a population of 12,588 and is the 3,292nd largest city in the United States. The population density is 3,899 per sq mi which is 844% higher than the New York average and 4204% higher than the national average. The median age in Terryville is 42 which is approximately 10% higher than the New York average of 38. In Terryville, 65% of the population over 15 years of age are married, 75% speak English and 17% speak Spanish. 78% of Terryville residents were born in New York, 5% were born out of state, 2% were born outside of the United States and 16% were foreign born.