Newport is a town in Vermillion Township, Vermillion County, in the U.S. state of Indiana. The population was 515 at the 2010 census. The town is the county seat of Vermillion County.
A post office has been in operation at Newport since 1820. Newport was platted in 1828.
The Vermillion County Courthouse and Vermillion County Jail and Sheriff's Residence are listed on the National Register of Historic Places.
Newport is located at the confluence of the Little Vermilion and Wabash rivers along Indiana State Road 63, about halfway between the county's north and south borders.
According to the 2010 census, Newport has a total area of 0.87 square miles (2.25 km2), all land.
As of the census of 2010, there were 515 people, 211 households, and 149 families living in the town. The population density was 592.0 inhabitants per square mile (228.6/km2). There were 231 housing units at an average density of 265.5 per square mile (102.5/km2). The racial makeup of the town was 99.8% White and 0.2% from two or more races.
There were 211 households, of which 29.9% had children under the age of 18 living with them, 53.1% were married couples living together, 12.8% had a female householder with no husband present, 4.7% had a male householder with no wife present, and 29.4% were non-families. 26.1% of all households were made up of individuals, and 13.2% had someone living alone who was 65 years of age or older.