
Fairfield township
- County:
- Lenawee County
- County Seat:
- No
- Area (mi²):
- 42.051
- State:
- Michigan
Fairfield township is located in Lenawee County, Michigan. Fairfield township has a 2025 population of 1,635. Fairfield township is currently declining at a rate of -0.3% annually and its population has decreased by -1.74% since the most recent census, which recorded a population of 1,664 in 2020.
The average household income in Fairfield township is $74,552 with a poverty rate of 11.76%. The median age in Fairfield township is 37.4 years: 42.7 years for males, and 33.7 years for females.