
Montandon
- County:
- Northumberland County
- County Seat:
- No
- Area (mi²):
- 0.876
- State:
- Pennsylvania
Montandon is a CDP located in Northumberland County, Pennsylvania. Montandon has a 2025 population of 839. Montandon is currently declining at a rate of -0.59% annually and its population has decreased by -5.94% since the most recent census, which recorded a population of 892 in 2020.
The average household income in Montandon is $68,782 with a poverty rate of 20.38%. The median age in Montandon is 37 years: 36.8 years for males, and 38.2 years for females.