
Shelbyville
- County:
- Shelby County
- County Seat:
- Yes
- Area (mi²):
- 0.776
- State:
- Missouri
Shelbyville is a city located in Shelby County, Missouri. Shelbyville has a 2025 population of 495. It is also the county seat of Shelby County. Shelbyville is currently declining at a rate of -1% annually and its population has decreased by -4.62% since the most recent census, which recorded a population of 519 in 2020.
The average household income in Shelbyville is $63,103 with a poverty rate of 16.9%. The median age in Shelbyville is 40.8 years: 43.7 years for males, and 39.2 years for females.