
Guilford
- County:
- Piscataquis County
- County Seat:
- No
- Area (mi²):
- 1.918
- State:
- Maine
Guilford is a CDP located in Piscataquis County, Maine. Guilford has a 2025 population of 448. Guilford is currently declining at a rate of -6.28% annually and its population has decreased by -9.31% since the most recent census, which recorded a population of 494 in 2020.
The average household income in Guilford is $47,232 with a poverty rate of 16.51%. The median age in Guilford is 52.5 years: 54.4 years for males, and 47.9 years for females.