Harrisville, RI has a population of 1,629 and is the 12,230th largest city in the United States. The population density is 2,006 per sq mi which is 195% higher than the Rhode Island average and 2114% higher than the national average. The median age in Harrisville is 43 which is approximately 7% higher than the Rhode Island average of 40. In Harrisville, 52% of the population over 15 years of age are married, 94% speak English and 1% speak Spanish. 85% of Harrisville residents were born in Rhode Island, 14% were born out of state, 0% were born outside of the United States and 1% were foreign born.