
Buchanan township
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 35.432
- State:
- Iowa
Buchanan township is located in Jefferson County, Iowa. Buchanan township has a 2025 population of 708. 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 $80,156 with a poverty rate of 0%. The median age in Buchanan township is 31.5 years: 31.1 years for males, and 31.9 years for females.