Hessville, OH has a population of 321 and is the 22,118th largest city in the United States. The population density is 462 per sq mi which is 80% higher than the Ohio average and 410% higher than the national average. The median age in Hessville is 25 which is approximately 37% lower than the Ohio average of 39. In Hessville, 55% of the population over 15 years of age are married, 86% speak English and 14% speak Spanish. 58% of Hessville residents were born in Ohio, 42% were born out of state, 0% were born outside of the United States and 0% were foreign born.