Washington County is located in the easternmost part of Maine. It is the second-largest county in Maine by land area, covering an area of 3,258 square miles. As of the 2020 census, the county had a population of approximately 30,000 people. The county seat is located in the town of Machias.
The county is also home to several state parks and nature preserves, including the Bold Coast Trail and the Moosehorn National Wildlife Refuge.
Washington County is home to several cultural attractions, including the Abbe Museum and the Machias Valley Film Festival, which are popular destinations for visitors to the area.
Over three quarters of households in Washington County (78.8%) use fuel oil according to data from the U.S. Census Bureau's American Community Survey in 2019.