Washingtonville, OH has a population of 864 and is the 16,081st largest city in the United States. The population density is 1,293 per sq mi which is 402% higher than the Ohio average and 1327% higher than the national average. The median age in Washingtonville is 39 which is approximately 1% lower than the Ohio average of 39. In Washingtonville, 52% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 81% of Washingtonville residents were born in Ohio, 17% were born out of state, 0% were born outside of the United States and 2% were foreign born.