
Lagrange
- County:
- Penobscot County
- County Seat:
- No
- Area (mi²):
- 49.473
- State:
- Maine
Lagrange is located in Penobscot County, Maine. Lagrange has a 2025 population of 645. Lagrange is currently growing at a rate of 0.16% annually and its population has increased by 1.42% since the most recent census, which recorded a population of 636 in 2020.
The average household income in Lagrange is $61,826 with a poverty rate of 21.1%. The median age in Lagrange is 45.4 years: 36.5 years for males, and 48.6 years for females.