
Harmony township
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 2.909
- State:
- Pennsylvania
Harmony township is located in Butler County, Pennsylvania. Harmony township has a 2025 population of 3,097. Harmony township is currently declining at a rate of -0.35% annually and its population has decreased by -2.85% since the most recent census, which recorded a population of 3,188 in 2020.
The average household income in Harmony township is $80,689 with a poverty rate of 5.35%. The median age in Harmony township is 44.2 years: 42.9 years for males, and 47 years for females.