McMechen is a city in Marshall County, West Virginia, United States, situated along the Ohio River.

It is part of the Wheeling, West Virginia Metropolitan Statistical Area.

[5] The McMechen Lockmaster Houses on the Ohio River were listed on the National Register of Historic Places in 1992.

[8] The climate in this area is characterized by relatively high temperatures and evenly distributed precipitation throughout the year.

There were 971 housing units at an average density of 1,703.5 per square mile (657.7/km2).

35.0% of all households were made up of individuals, and 16.5% had someone living alone who was 65 years of age or older.

33.1% of all households were made up of individuals, and 19.0% had someone living alone who was 65 years of age or older.