Cheat Lake is a census-designated place in Monongalia County, West Virginia, United States, surrounding the Cheat Lake reservoir.

As of the census[3] of 2000, there were 6,396 people, 2,511 households, and 1,822 families residing in the community.

There were 2,802 housing units at an average density of 194.0 per square mile (74.9/km2).

The racial makeup of the community was 95.61% White, 1.20% African American, 0.09% Native American, 1.88% Asian, 0.08% Pacific Islander, 0.05% from other races, and 1.09% from two or more races.

23.3% of all households were made up of individuals, and 5.9% had someone living alone who was 65 years of age or older.