La Grange Park is a village in Cook County, Illinois, United States, about 13 miles (21 km) west-southwest of Chicago.

[4] According to the 2021 census gazetteer files, La Grange Park has a total area of 2.23 square miles (5.78 km2), all land.

There were 5,398 housing units at an average density of 2,417.38 per square mile (933.36/km2).

25.24% of all households were made up of individuals, and 15.29% had someone living alone who was 65 years of age or older.

[12] Nazareth Academy is a Roman Catholic college-preparatory high school located in LaGrange Park, Illinois, United States, in the Roman Catholic Archdiocese of Chicago.

Pace provides bus service on routes 330 and 331 connecting La Grange Park to destinations across the region.