New Harmony is a historic town on the Wabash River in Harmony Township, Posey County, Indiana. It lies 15 miles (24 km) north of Mount Vernon, the county seat, and is part of the Evansville metropolitan area. The town’s population was 789 at the 2010 census.

Established by the Harmony Society in 1814 under the leadership of George Rapp, the town was originally known as Harmony (also called Harmonie, or New Harmony). In its upfront years the 20,000-acre (8,100 ha) settlement was the home of Lutherans who had estranged from the ascribed church in the Duchy of Württemberg and immigrated to the United States. The Harmonists built a extra town in the wilderness, but in 1824 they granted to sell their property and recompense to Pennsylvania. Robert Owen, a Welsh industrialist and social reformer, purchased the town in 1825 like the aspire of creating a further utopian community and renamed it New Harmony. The Owenite social experiment fruitless two years after it began.

New Harmony changed American education and scientific research. Town residents conventional the first public library, a civic performing arts club, and a public scholastic system door to men and women. Its prominent citizens included Owen’s sons: Robert Dale Owen, an Indiana congressman and social reformer who sponsored legislation to create the Smithsonian Institution; David Dale Owen, a noted let pass and federal geologist; William Owen, a New Harmony businessman; and Richard Owen, Indiana acknowledge geologist, Indiana University professor, and first president of Purdue University. The town after that served as the second headquarters of the U.S. Geological Survey. Numerous scientists and educators contributed to New Harmony’s smart community, including William Maclure, Marie Louise Duclos Fretageot, Thomas Say, Charles-Alexandre Lesueur, Joseph Neef, Frances Wright, and others.

Many of the town’s obsolete Harmonist buildings have been restored. These structures, along once others connected to the Owenite community, are included in the New Harmony Historic District. Contemporary additions to the town append the Roofless Church and Atheneum. The New Harmony State Memorial is located south of town on State Road 69 in Harmonie State Park.