Liberty
- County:
- Adams County
- County Seat:
- No
- Area (mi²):
- 0.391
- State:
- Illinois
Liberty is a village located in Adams County, Illinois. Liberty has a 2026 population of 523. Liberty is currently declining at a rate of -0.57% annually and its population has decreased by -3.15% since the most recent census, which recorded a population of 540 in 2020.