West Jefferson is a village in Madison County, Ohio, United States.

Located along U.S. Route 40, the village has a fairly close relationship with the surrounding township, which include various out-of-corporation-limit neighborhoods (including Haymarket Road, Olmstead Road, Forrest Lake Estates, Goodson Road/Enchanted Valley, and North and South Road).

[6] The original railroad station build within West Jefferson appears to no longer exist, however, a slightly newer railroad station (most likely built before 1938) still exists[7] as part of the Fisher Cast Steel Mill.

On May 24, 2021, a mass shooting occurred at an apartment complex in West Jefferson.

Three men and one woman were killed, with three of the victims being found inside the building and one outside.

The shooting marked West Jefferson's first homicides since April 2012.

[8][9][10][11] In February 2024, the shooter, John Steckel, was convicted of four counts of aggravated murder for the shooting and was sentenced to life without parole.

There were 1,709 housing units at an average density of 352.4 per square mile (136.1/km2).

25.7% of all households were made up of individuals, and 11.4% had someone living alone who was 65 years of age or older.

22.6% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older.