
Burnham
- County:
- Mifflin County
- County Seat:
- No
- Area (mi²):
- 1.052
- State:
- Pennsylvania
Burnham is a borough located in Mifflin County, Pennsylvania. Burnham has a 2025 population of 1,949. Burnham is currently declining at a rate of -0.41% annually and its population has decreased by -2.01% since the most recent census, which recorded a population of 1,989 in 2020.
The average household income in Burnham is $75,128 with a poverty rate of 11.26%. The median age in Burnham is 37.7 years: 34.3 years for males, and 41.7 years for females.