Kingston
- County:
- Caldwell County
- County Seat:
- Yes
- Area (mi²):
- 0.519
- State:
- Missouri
Kingston is a city located in Caldwell County, Missouri. Kingston has a 2026 population of 295. It is also the county seat of Caldwell County. Kingston is currently declining at a rate of -1.01% annually and its population has decreased by -1.01% since the most recent census, which recorded a population of 298 in 2020.