West Union is a village in Adams County, Ohio, United States, about 55 miles (89 km) southeast of Cincinnati.

[8] According to the United States Census Bureau, the village has a total area of 2.83 square miles (7.33 km2), all land.

[9] State Routes 41, 125, and 247 all intersect and run concurrently through the downtown area.

There were 1,493 housing units at an average density of 527.6 per square mile (203.7/km2).

35.1% of all households were made up of individuals, and 16.5% had someone living alone who was 65 years of age or older.

There were 13 housing units at an average density of 534.6 per square mile (206.4/km2).

35.5% of all households were made up of individuals, and 18.2% had someone living alone who was 65 years of age or older.