Morristown is a town in Lamoille County, Vermont, United States. As of the 2020 census, the population was 5,434. Morristown is the largest town by population in Lamoille County, and its central village of Morrisville serves as the county's main commercial center.

Lamoille County is a county located in the U.S. state of Vermont. As of the 2020 census, the population was 25,945, and it is the third-least populous county in Vermont. Its shire town is the town of Hyde Park, while Morristown is the county's largest town by population as well as its main commercial center. The county was created in 1835 from portions of Orleans, Franklin, Washington, and Chittenden Counties and organized the following year.