
Fairfield township
- County:
- Adams County
- County Seat:
- No
- Area (mi²):
- 19.331
- State:
- Pennsylvania
Fairfield township is located in Adams County, Pennsylvania. Fairfield township has a 2025 population of 977. Fairfield township is currently declining at a rate of -0.61% annually and its population has decreased by -3.08% since the most recent census, which recorded a population of 1,008 in 2020.
The average household income in Fairfield township is $83,692 with a poverty rate of 7.94%. The median age in Fairfield township is 51.9 years: 49.5 years for males, and 53.8 years for females.