[3] According to the 2010 census, St. Libory has a total area of 0.95 square miles (2.46 km2), all land.

[4] At the 2000 census[6][needs update], there were 583 people, 213 households and 158 families residing in the village.

There were 222 housing units at an average density of 235.4 per square mile (90.9/km2).

The racial makeup of the village was 98.28% White, 0.17% African American, and 1.54% from two or more races.

22.5% of all households were made up of individuals, and 12.2% had someone living alone who was 65 years of age or older.