New Middletown is a village in Mahoning County, Ohio, United States. The 2010 population was 1,621, according to that year's census. New Middletown is served by a branch of the Public Library of Youngstown and Mahoning County. It is part of the Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area.
In 1825, New Middletown was founded by Samuel Moore and became an incorporated town in 1972. The village was most likely named after Middletown, Pennsylvania, the former home of a share of the first settlers.
New Middletown is located at 40°57′56″N 80°33′30″W (40.965443, -80.558307).
According to the United States Census Bureau, the village has a total area of 0.87 square miles (2.25 km2), all land.
As of the census of 2010, there were 1,621 people, 707 households, and 492 families living in the village. The population density was 1,863.2 inhabitants per square mile (719.4/km2). There were 741 housing units at an average density of 851.7 per square mile (328.8/km2). The racial makeup of the village was 98.8% White, 0.1% African American, 0.1% Asian, 0.4% from other races, and 0.6% from two or more races. Hispanic or Latino of any race were 1.7% of the population.