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North Dakota State Population

One of the least populated U.S. states.

YearPopulation
1910577,056
1920646,872
1930680,845
1940641,935
1950619,636
1960632,446
1970617,761
1980652,717
1990638,800
2000642,200
2010672,591
2020779,094

North Dakota consistently ranks among the least populous states in the U.S., a status shaped by significant historical fluctuations and ongoing trends. Its population saw substantial growth during the homesteading era of the late 19th and early 20th centuries, peaking in the 1930s before experiencing a decades-long decline fueled by agricultural mechanization and a rural exodus that continued for much of the 20th century. However, the discovery and exploitation of the Bakken oil formation in the 2000s ushered in a dramatic turnaround, leading to unprecedented population growth and an influx of workers, particularly in the western part of the state. While the peak growth rates of the oil boom have since moderated with fluctuating energy prices, the state continues to experience modest, though often volatile, population increases, with current trends showing a concentration of growth in its larger cities like Fargo, Bismarck, and Grand Forks, even as many rural areas still grapple with an aging demographic and out-migration.

Data Source: US Census Bureau