
Addison township
- County:
- Somerset County
- County Seat:
- No
- Area (mi²):
- 61.396
- State:
- Pennsylvania
Addison township is located in Somerset County, Pennsylvania. Addison township has a 2025 population of 905. Addison township is currently declining at a rate of -0.66% annually and its population has decreased by -2.58% since the most recent census, which recorded a population of 929 in 2020.
The average household income in Addison township is $74,741 with a poverty rate of 14.22%. The median age in Addison township is 46.4 years: 46 years for males, and 46.5 years for females.