Harrisville, NY has a population of 562 and is the 18,760th largest city in the United States. The population density is 715 per sq mi which is 74% higher than the New York average and 690% higher than the national average. The median age in Harrisville is 33 which is approximately 14% lower than the New York average of 38. In Harrisville, 67% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 88% of Harrisville residents were born in New York, 12% were born out of state, 0% were born outside of the United States and 0% were foreign born.