
Smithton
- County:
- Pettis County
- County Seat:
- No
- Area (mi²):
- 0.301
- State:
- Missouri
Smithton is a city located in Pettis County, Missouri. Smithton has a 2025 population of 505. Smithton is currently declining at a rate of 0% annually and its population has decreased by -0.39% since the most recent census, which recorded a population of 507 in 2020.
The average household income in Smithton is $66,149 with a poverty rate of 6.52%. The median age in Smithton is 36.7 years: 31.3 years for males, and 37.6 years for females.