New Amsterdam is a town located in Washington Township, Harrison County, Indiana, United States, along the Ohio River. As of the 2020 census, the city population was 12. As of the 2020 Census, New Amsterdam was the smallest city, town, or Census Designated Place in the state of Indiana. History The first settlers in what became New Amsterdam were James Riley and Jacob Youstler. Starting in 1815, they lived in New Amsterdam for several years before relocating further north. The town was formally platted on September 19, 1815, by Jacob Funk and Samuel McAdams. The town relied on the Ohio River for its growth, as it was the main transportation route for migrating settlers as well as traders up and down river. Steamboats were active on the river during the 19th century and contributed to the growth of waterfront towns. In the 1860 census, New Amsterdam was the largest town in Harrison County. Floods played a large part in the decline of the town. The Great Ohio River flood of 1937 destroyed 75% of the structures in the town. The only original building remaining in the town is the old country store. A marker on the second story of the building shows the height of the water in the 1937 Flood. Today, the town has a general store, a Baptist church, a Methodist church, a town hall and a cemetery. Geography New Amsterdam is located at (38.101894, -86.274821). According to the 2010 census, New Amsterdam has a total area of , of which (or 80%) is land and (or 20%) is water. Demographics 2020 census As of the census of 2020, there were 12 people and 6 occupied housing units in the town. The population density was . There were 8 housing units at an average density of . The racial makeup of the town was 91.7% White and 8% Black. The town lost significant population between the 2010 census (27 people) and the 2020 census (12 people), passing River Forest as the smallest municipality in the state. 2010 census As of the census of 2010, there were 27 people, 11 households, and 8 families residing in the town. The population density was 337.5 inhabitants per square mile (130.3/km2). There were 20 housing units at an average density of 250.0 per square mile (96.5/km2). The racial makeup of the town was 85.2% White, 11.1% from other races, and 3.7% from