Ernest
- County:
- Indiana County
- County Seat:
- No
- Area (mi²):
- 0.23
- State:
- Pennsylvania
Ernest is a borough located in Indiana County, Pennsylvania. Ernest has a 2026 population of 420. Ernest is currently declining at a rate of 0% annually and its population has increased by 0.24% since the most recent census, which recorded a population of 419 in 2020.