Montgomery is a town in Barr Township, Daviess County, Indiana, United States. The population was 343 at the 2010 census.
Montgomery was laid out in 1865 by Valentine B. Montgomery. Montgomery was a station and shipping point on the Ohio and Mississippi Railway.
Montgomery is located at 38°39′48″N 87°2′50″W (38.663427, -87.047099).
According to the 2010 census, Montgomery has a total area of 0.24 square miles (0.62 km2), all land.
As of the census of 2010, there were 343 people, 137 households, and 95 families living in the town. The population density was 1,429.2 inhabitants per square mile (551.8/km2). There were 157 housing units at an average density of 654.2 per square mile (252.6/km2). The racial makeup of the town was 99.4% White and 0.6% from two or more races. Hispanic or Latino of any race were 0.6% of the population.
There were 137 households, of which 34.3% had children under the age of 18 living with them, 55.5% were married couples living together, 8.0% had a female householder with no husband present, 5.8% had a male householder with no wife present, and 30.7% were non-families. 27.0% of all households were made up of individuals, and 14.6% had someone living alone who was 65 years of age or older.