
St. Libory
- County:
- St. Clair County
- County Seat:
- No
- Area (mi²):
- 0.97
- State:
- Illinois
St. Libory is a village located in St. Clair County, Illinois. St. Libory has a 2025 population of 597. St. Libory is currently declining at a rate of -1% annually and its population has decreased by -5.09% since the most recent census, which recorded a population of 629 in 2020.
The average household income in St. Libory is $109,877 with a poverty rate of 5.41%. The median age in St. Libory is 41.5 years: 45.8 years for males, and 41.1 years for females.