Rossburg, OH has a population of 249 and is the 23,448th largest city in the United States. The population density is 1,776 per sq mi which is 590% higher than the Ohio average and 1860% higher than the national average. The median age in Rossburg is 40 which is approximately 1% higher than the Ohio average of 39. In Rossburg, 57% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 86% of Rossburg residents were born in Ohio, 13% were born out of state, 0% were born outside of the United States and 0% were foreign born.