Supreme is a census-designated place (CDP) in Assumption Parish, Louisiana, United States.

The population was 1,052 at the 2010 census.

[2] In 2020, its population was 839.

[3] Supreme is located at 29°51′36″N 90°59′7″W / 29.86000°N 90.98528°W / 29.86000; -90.98528 (29.859875, -90.985197).

[4] According to the United States Census Bureau, the CDP has a total area of 3.4 square miles (8.9 km2), of which 3.4 square miles (8.8 km2) is land and 0.039 square miles (0.1 km2), or 1.43%, is water.