
Mount Union
- County:
- Huntingdon County
- County Seat:
- No
- Area (mi²):
- 1.159
- State:
- Pennsylvania
Mount Union is a borough located in Huntingdon County, Pennsylvania. Mount Union has a 2025 population of 2,225. Mount Union is currently declining at a rate of -0.71% annually and its population has decreased by -3.43% since the most recent census, which recorded a population of 2,304 in 2020.
The average household income in Mount Union is $49,521 with a poverty rate of 34.74%. The median age in Mount Union is 33 years: 32.7 years for males, and 34.1 years for females.