Waltham is a small town located in Addison County, Vermont with a population of 486. The town has a total area of 9.1 square miles, of which 9.0 square miles is land and 0.12 square miles is water. Nearby towns are Vergennes, Addison, and New Haven. For shopping and services, Middlebury town is located at 17 minutes’ distance. Students attend Vergennes Union High School for study.