Waldoboro is a town in Lincoln County, Maine, United States. The population was 5,154 at the 2020 census. Waldoboro was incorporated in 1773 and developed a reputation as a ship building and port facility from the banks of the Medomak River. The town's strong agricultural and fishing legacy continues today, with recently renewed enthusiasm for traditio…Waldoboro is a town in Lincoln County, Maine, United States. The population was 5,154 at the 2020 census. Waldoboro was incorporated in 1773 and developed a reputation as a ship building and port facility from the banks of the Medomak River. The town's strong agricultural and fishing legacy continues today, with recently renewed enthusiasm for traditional natural fiber production, cheesemaking, farm brewing, fermentation, soapmaking, and other lost agrarian arts. Waldoboro is becoming a popular destination, with miles of scenic river frontage, a thriving arts community, and historical interest in its past as a German settlement.