Washburn is a town in Aroostook County, Maine, United States. It was incorporated on February 25, 1861, and named after Israel Washburn, the governor of Maine at the time. The population was 1,527 at the 2020 census. Benjamin C. Wilder House, which was built in 1852, is located on Main Street in Washburn and predates the town's incorporation by ni…Washburn is a town in Aroostook County, Maine, United States. It was incorporated on February 25, 1861, and named after Israel Washburn, the governor of Maine at the time. The population was 1,527 at the 2020 census. Benjamin C. Wilder House, which was built in 1852, is located on Main Street in Washburn and predates the town's incorporation by nine years.