Gravois Mills is a town in Morgan County, Missouri, United States. The population was 129 at the 2020 census. A post office called Gravois Mills has been in operation since 1860.
Old St. Patrick's Church was listed on the National Register of Historic Places in 1979.
Geography
Gravois Mills is located in southern Morgan County on the upper end of the Gravois Creek arm of the Lake of the Ozarks. Missouri Route 5 passes through the town, leading north to Versailles, the Morgan county seat, and south to Sunrise Beach.
According to the U.S. Census Bureau, Gravois Mills has a total area of , of which are land and , or 9.73%, are water.
2010 census
As of the census of 2010, there were 144 people, 59 households, and 33 families residing in the village. The population density was . There were 108 housing units at an average density of . The racial makeup of the village was 93.1% White, 1.4% African American, 1.4% Native American, 0.7% from other races, and 3.5% from two or more races. Hispanic or Latino of any race were 4.9% of the population.
There were 59 households, of which 25.4% had children under the age of 18 living with them, 44.1% were married couples living together, 8.5% had a female householder with no husband present, 3.4% had a male householder with no wife present, and 44.1% were non-families. 33.9% of all households were made up of individuals, and 15.3% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 3.12.
The median age in the village was 46 years. 21.5% of residents were under the age of 18; 8.4% were between the ages of 18 and 24; 18.8% were from 25 to 44; 31.2% were from 45 to 64; and 20.1% were 65 years of age or older. The gender makeup of the village was 48.6% male and 51.4% female.
2000 census
As of the census