Inverness is a census-designated place in Hill County, Montana, United States. The population was 55 at the 2010 census.Inverness is located at 48°33′28″N 110°41′25″W / 48.55778°N 110.69028°W / 48.55778; -110.69028.According to the United States Census Bureau, the CDP has a total area of 4.0 square miles, all of it land.As of the census of 2000, there were 103 people, 40 households, and 30 families residing in the CDP. The population density was 26.1 people per square mile. There were 47 housing units at an average density of 11.9 per square mile. The racial makeup of the CDP was 99.03% White and 0.97% Native American.There were 40 households out of which 40.0% had children under the age of 18 living with them, 65.0% were married couples living together, 10.0% had a female householder with no husband present, and 25.0% were non-families. 25.0% of all households were made up of individuals and 10.0% had someone living alone who was 65 years of age or older.