
Harrington
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 21.111
- State:
- Maine
Harrington is located in Washington County, Maine. Harrington has a 2025 population of 1,003. Harrington is currently growing at a rate of 1.11% annually and its population has increased by 4.26% since the most recent census, which recorded a population of 962 in 2020.
The average household income in Harrington is $74,702 with a poverty rate of 15.56%. The median age in Harrington is 47.1 years: 44.8 years for males, and 47.3 years for females.