Southport is an excluded city in Marion County, Indiana, United States.

[5] Mary Bryan is remembered as one of the first European American women to cross the Cumberland Mountains.

According to the U.S. Census Bureau, Southport has a total area of 0.63 square miles (1.63 km2), all land.

[1] Little Buck Creek passes through the northern part of town, flowing generally west to the White River.

As of the census[10] of 2010, there were 1,712 people, 696 households, and 484 families living in the city.

There were 763 housing units at an average density of 1,211.1 per square mile (467.6/km2).

24.0% of all households were made up of individuals, and 10.4% had someone living alone who was 65 years of age or older.

There were 769 housing units at an average density of 1,198.4 per square mile (462.7/km2).

23.9% of all households were made up of individuals, and 8.0% had someone living alone who was 65 years of age or older.