Mount Victory is a village in Hardin County, Ohio, United States. The population was 627 at the 2010 census. It is home to a quaint downtown main street along busy State Route 31 between Marysville and Kenton, and to a volunteer fire department.
The town site of Mount Victory was surveyed in 1851, one year before the railroad was extended to that point. The village received its name by reason of the proprietor shouting "Victory!" when he obtained the land. A post office has been in operation at Mount Victory since 1854.
Mount Victory is located at 40°32′3″N 83°31′13″W (40.534164, -83.520156).
According to the United States Census Bureau, the village has a total area of 0.77 square miles (1.99 km2), all land.
As of the census of 2010, there were 627 people, 249 households, and 172 families living in the village. The population density was 814.3 inhabitants per square mile (314.4/km2). There were 279 housing units at an average density of 362.3 per square mile (139.9/km2). The racial makeup of the village was 98.1% White, 0.6% African American, 0.5% Asian, 0.5% from other races, and 0.3% from two or more races. Hispanic or Latino of any race were 1.1% of the population.