Exeter
- County:
- Barry County
- County Seat:
- No
- Area (mi²):
- 0.736
- State:
- Missouri
Exeter is a city located in Barry County, Missouri. Exeter has a 2026 population of 756. Exeter is currently growing at a rate of 0.67% annually and its population has increased by 2.58% since the most recent census, which recorded a population of 737 in 2020.