Milbridge is a town in Washington County, Maine, United States at the mouth of the Narraguagus River. The population was 1,375 at the 2020 census. The town was incorporated in 1848. It contains the villages of Milbridge and Wyman.

Washington County is a county located in the U.S. state of Maine. As of the 2020 census, its population was 31,095, making it the third-least populous county in Maine. Its county seat is Machias. The county was established on June 25, 1789. It borders the Canadian province of New Brunswick.