Glencoe is a census-designated place (CDP) in St. Mary Parish, Louisiana, United States. As of the 2020 census, Glencoe had a population of 132. It is part of the Morgan City Micropolitan Statistical Area.
Glencoe is located at (29.80576, -91.66789).
Louisiana Highway 83 passes throughout the entire community and heads 9 miles (14 km) east to the town of Baldwin. Louisiana Highway 318, which intersects with LA-83, heads 7 miles (11 km) northeast to intersect with Louisiana Highway 182 at the unincorporated community of Sorrel.
According to the United States Census Bureau, the CDP has a total area of , all land.
Glencoe first appeared as a census designated place in the 2010 U.S. census.
Population 112