
Buchanan township
- County:
- Sullivan County
- County Seat:
- No
- Area (mi²):
- 54.152
- State:
- Missouri
Buchanan township is located in Sullivan County, Missouri. Buchanan township has a 2025 population of 161. Buchanan township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Buchanan township is $61,209 with a poverty rate of 16.77%. The median age in Buchanan township is 26.4 years: 18.8 years for males, and 34.6 years for females.