[10] The Maries County Jail and Sheriff's House was added to the National Register of Historic Places in 2002.
As of the census[13] of 2010, there were 610 people, 264 households, and 134 families living in the city.
There were 341 housing units at an average density of 321.7 per square mile (124.2/km2).
47.0% of all households were made up of individuals, and 31.1% had someone living alone who was 65 years of age or older.
As of the census[4] of 2000, there were 628 people, 257 households, and 139 families living in the city.
There were 297 housing units at an average density of 280.9 per square mile (108.5/km2).
The racial makeup of the city was 98.73% White, 0.48% Native American, 0.16% Asian, and 0.64% from two or more races.
44.4% of all households were made up of individuals, and 27.6% had someone living alone who was 65 years of age or older.