Edwardsport is a town in Vigo Township, Knox County, Indiana, United States.

Alfred Simonson House was added to the National Register of Historic Places in 2009.

[5] According to the 2010 census, Edwardsport has a total area of 0.28 square miles (0.73 km2), all land.

[6] The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

29.7% of all households were made up of individuals, and 10.9% had someone living alone who was 65 years of age or older.

The Edwardsport Power Station located to the south of the town provides energy to the region.

[10] A report by the WWF in 2005 ranked it as the second most polluting power station in the industrialized world, in terms of the level of carbon dioxide produced per unit of electricity generated.