
Annin township
- County:
- McKean County
- County Seat:
- No
- Area (mi²):
- 33.12
- State:
- Pennsylvania
Annin township is located in McKean County, Pennsylvania. Annin township has a 2025 population of 713. Annin township is currently growing at a rate of 0.56% annually and its population has increased by 0.85% since the most recent census, which recorded a population of 707 in 2020.
The average household income in Annin township is $91,155 with a poverty rate of 6.35%. The median age in Annin township is 52.3 years: 52.4 years for males, and 49.7 years for females.