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 2026 population of 1,966. Burnham is currently declining at a rate of -0.3% annually and its population has decreased by -1.26% since the most recent census, which recorded a population of 1,991 in 2020.
The median household income in Burnham is $67,656 with a poverty rate of 8.65%. The median age in Burnham is 37.6 years: 34.5 years for males, and 41.1 years for females. For every 100 females there are 97.7 males.