Shelbyville is a city in Shelby County, Missouri, United States.

[6] Like the county in which it is located, Shelbyville was named for Governor Isaac Shelby of Kentucky.

[8] The city is in central Shelby County at the intersection of Missouri routes 15 and 168.

Black Creek flows past the west and south sides of the city.

There were 279 housing units at an average density of 357.7 per square mile (138.1/km2).

33.8% of all households were made up of individuals, and 16.7% had someone living alone who was 65 years of age or older.

35.9% of all households were made up of individuals, and 19.1% had someone living alone who was 65 years of age or older.