Simpson is a village in Vernon Parish, Louisiana, United States.

It is part of the Fort Johnson South Micropolitan Statistical Area.

This climatic region is typified by hot, humid summers and mild winters.

There were 267 housing units at an average density of 43.0 per square mile (16.6/km2).

23.9% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older.