New Richmond is a town in Coal Creek Township, Montgomery County, in the U.S. state of Indiana. The population was 333 at the 2010 census.HistoryNew Richmond was platted by Samuel Kincaid in 1836. The post office at New Richmond has been in operation since 1850.GeographyNew Richmond is located at .According to the 2010 census, New Richmond has a total area of 0.2sqmi, all land.Demographics2010 censusAs of the census of 2010, there were 333 people, 134 households, and 93 families residing in the town. The population density was 1665.0PD/sqmi. There were 148 housing units at an average density of 740.0/sqmi. The racial makeup of the town was 97.0% White, 0.3% Asian, and 2.7% from two or more races. Hispanic or Latino of any race were 0.6% of the population.There were 134 households of which 35.8% had children under the age of 18 living with them, 50.7% were married couples living together, 9.7% had a female householder with no husband present, 9.0% had a male householder with no wife present, and 30.6% were non-families. 25.4% of all households were made up of individuals and 8.2% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 2.89.The median age in the town was 37.8 years. 26.7% of residents were under the age of 18; 8.7% were between the ages of 18 and 24; 26.1% were from 25 to 44; 26.1% were from 45 to 64; and 12.3% were 65 years of age or older. The gender makeup of the town was 49.8% male and 50.2% female.