
Madison township
- County:
- Buchanan County
- County Seat:
- No
- Area (mi²):
- 36.428
- State:
- Iowa
Madison township is located in Buchanan County, Iowa. Madison township has a 2025 population of 644. Madison 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 Madison township is $78,860 with a poverty rate of 10.56%. The median age in Madison township is 41.8 years: 30.7 years for males, and 49.5 years for females.