Waltham is a town located in Hancock County, in the state of Maine (ME), United States. Nestled in the New England division of the North-east region, it covers an area of 29.7 square miles (77.0 km²) and sits at an elevation of 342 ft. With a population of approximately 306 residents, Waltham offers a peaceful, rural atmosphere.
The town's population is composed of about 52.29% males and 47.71% females, and it has a population density of 10.30 people per square mile (3.98/km²). Waltham lies at a latitude of 44.69 and a longitude of -68.33, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (49%), followed by English (23.9%), German (3.3%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code N/A.