
Orrington
- County:
- Penobscot County
- County Seat:
- No
- Area (mi²):
- 24.991
- State:
- Maine
Orrington is located in Penobscot County, Maine. Orrington has a 2025 population of 3,922. Orrington is currently growing at a rate of 0.62% annually and its population has increased by 2.97% since the most recent census, which recorded a population of 3,809 in 2020.
The average household income in Orrington is $123,559 with a poverty rate of 4.3%. The median age in Orrington is 49.5 years: 47.9 years for males, and 49.8 years for females.