
St. Agatha
- County:
- Aroostook County
- County Seat:
- No
- Area (mi²):
- 29.924
- State:
- Maine
St. Agatha is located in Aroostook County, Maine. St. Agatha has a 2025 population of 755. St. Agatha is currently growing at a rate of 0.8% annually and its population has increased by 3.71% since the most recent census, which recorded a population of 728 in 2020.
The average household income in St. Agatha is $77,436 with a poverty rate of 13.06%. The median age in St. Agatha is 57.8 years: 53.5 years for males, and 59.2 years for females.