Pierceton is a town in Washington Township, Kosciusko County, in the U.S. state of Indiana.

In 1853, John Butler Chapman and Lewis Keith, his father-in-law, employed Otho Means, a surveyor, to lay out Pierceton as it is located today, christened in honor of President Franklin Pierce.

According to the 2010 census, Pierceton has a total area of 1.2 square miles (3.11 km2), all land.

There were 432 housing units at an average density of 360.0 per square mile (139.0/km2).

28.2% of all households were made up of individuals, and 13.4% had someone living alone who was 65 years of age or older.

There were 272 housing units at an average density of 297.2 per square mile (114.7/km2).

24.6% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older.