Lucernemines, usually written as Lucerne Mines, is a census-designated place (CDP) in Indiana County, Pennsylvania, United States.

[4] According to the United States Census Bureau, the CDP has a total area of 0.9 square miles (2.3 km2), all land.

There were 427 housing units at an average density of 496.5 per square mile (191.7/km2).

The racial makeup of the CDP was 98.63% White, 1.05% African American, 0.11% Asian, and 0.21% from two or more races.

25.3% of all households were made up of individuals, and 15.5% had someone living alone who was 65 years of age or older.