
Fairfield township
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 30.704
- State:
- Iowa
Fairfield township is located in Jefferson County, Iowa. Fairfield township has a 2025 population of 81. Fairfield 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 Fairfield township is $80,128 with a poverty rate of 0%. The median age in Fairfield township is 67.1 years: 67.3 years for males, and 61.8 years for females.