Wintersville, OH has a population of 4,077 and is the 7,364th largest city in the United States. The population density is 1,305 per sq mi which is 407% higher than the Ohio average and 1340% higher than the national average. The median age in Wintersville is 45 which is approximately 15% higher than the Ohio average of 39. In Wintersville, 55% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 63% of Wintersville residents were born in Ohio, 32% were born out of state, 0% were born outside of the United States and 5% were foreign born.