Montpelier is a village in St. Helena Parish, Louisiana, United States.

It is part of the Baton Rouge metropolitan statistical area.

[3] According to the United States Census Bureau, the village has a total area of 1.9 square miles (4.8 km2), of which 1.9 square miles (4.8 km2) is land and 0.53% is water.

As of the 2020 United States census, there were 197 people,[6] 135 households, and 90 families residing in the village.

Zoned campuses include St. Helena Central Arts and Technology Academy (Grades 3-6), St. Helena Early Learning Center (Grades PK-2), and St. Helena College and Career Academy (Grades 7-12).