Lincoln is a city in Burleigh County, North Dakota, United States. It is a suburb of adjacent Bismarck, and also a core city of the Bismarck-Ma…Lincoln is a city in Burleigh County, North Dakota, United States. It is a suburb of adjacent Bismarck, and also a core city of the Bismarck-Mandan Metropolitan Statistical Area. The population was 4,257 at the 2020 census, making it the 15th most populous city in North Dakota. Lincoln was founded in 1977 and incorporated as a city on July 12, 1977.