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Population of Counties in North Dakota (2024)

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2024 Population
Growth Since 2020
Area (mi²)
Density (/mi²)
Cass County200,0118.19%1.8K113Cass County location
Burleigh County100,6282.06%1.6K62Burleigh County location
Grand Forks County72,995-0.2%1.4K51Grand Forks County location
Ward County67,876-2.92%2K34Ward County location
Williams County40,260-2.24%2.1K19Williams County location
Morton County34,0852.31%1.9K18Morton County location
Stark County33,284-1.62%1.3K25Stark County location
Stutsman County21,308-1.08%2.2K10Stutsman County location
Richland County16,5420.05%1.4K12Richland County location
McKenzie County14,615-1.09%2.8K5McKenzie County location
Rolette County11,589-4.95%90313Rolette County location
Ramsey County11,410-1.4%1.2K10Ramsey County location
Barnes County10,691-1.47%1.5K7Barnes County location
Walsh County10,150-3.6%1.3K8Walsh County location
McLean County9,8060.41%2.1K5McLean County location
Mountrail County9,525-2.69%1.8K5Mountrail County location
Mercer County8,291-0.67%1K8Mercer County location
Traill County7,861-1.58%8629Traill County location
Pembina County6,577-3.82%1.1K6Pembina County location
Bottineau County6,314-1.16%1.7K4Bottineau County location
Benson County5,718-3.66%1.4K4Benson County location
Ransom County5,559-2.34%8626Ransom County location
McHenry County5,067-4.97%1.9K3McHenry County location
Dickey County4,872-1.95%1.1K4Dickey County location
LaMoure County4,1160.37%1.1K4LaMoure County location
Dunn County4,044-1.32%2K2Dunn County location
Pierce County3,873-2.74%1K4Pierce County location
Wells County3,830-3.58%1.3K3Wells County location
Sargent County3,748-2.09%8584Sargent County location
Sioux County3,600-7.22%1.1K3Sioux County location
Cavalier County3,584-3.24%1.5K2Cavalier County location
Foster County3,238-4.4%6345Foster County location
Emmons County3,194-2.8%1.5K2Emmons County location
Nelson County2,983-0.37%9823Nelson County location
Bowman County2,835-4.87%1.2K2Bowman County location
McIntosh County2,481-1.43%9753McIntosh County location
Hettinger County2,419-1.95%1.1K2Hettinger County location
Renville County2,3081.5%8773Renville County location
Kidder County2,303-3.32%1.4K2Kidder County location
Griggs County2,247-1.92%7093Griggs County location
Eddy County2,219-4.52%6304Eddy County location
Adams County2,193-0.09%9882Adams County location
Grant County2,192-4.11%1.7K1Grant County location
Burke County2,136-2.64%1.1K2Burke County location
Divide County2,101-4.72%1.3K2Divide County location
Towner County2,000-6.85%1K2Towner County location
Logan County1,9000.8%9932Logan County location
Oliver County1,8961.44%7223Oliver County location
Steele County1,771-1.28%7122Steele County location
Golden Valley County1,7401.1%1K2Golden Valley County location
Sheridan County1,246-1.03%9721Sheridan County location
Billings County1,04311.79%1.1K1Billings County location
Slope County666-5.26%1.2K1Slope County location
showing: 53 rows

There are 53 counties in North Dakota. The most populous county in the state is Cass County, which is the only county to have over 100,000 people in North Dakota with 181,516. Fargo, the state’s most populous city, is in Cass County and accounts for 17% of the state’s population. Cass County comprises about 23.88% of North Dakota’s total population. The second-most populous county in North Dakota is Burleigh County, which has 95,273 residents, followed by Grand Forks County with 70,770 residents. Burleigh County is home to Bismarck, the state’s capital and second-most populous city.

North Dakota Counties with the Fewest Residents

Two North Dakota counties have populations under 1,000 residents. Slope County is the least populous county in North Dakota with 763 residents. Slope County’s population density is just 0.63 persons per square kilometer. Billings County is the second-least populous county in the state with 919 residents and a population density of 0.80 persons per square kilometer. Together, Slope County and Billings County make up only 0.22% of North Dakota’s total population.

The third-least populous state in North Dakota is Sheridan County, which has 1,349 residents.

North Dakota Counties with Rapid Growth

Several counties in North Dakota have experienced double-digit growth, with one county seeing triple-digit growth since 2010. McKenzie County has seen a 112.63% growth since 2010. Despite this, McKenzie County has a population of just 13,632 residents.

Williams County has had the second-highest growth since 2010, growing by 56.50%. This is followed by Mountrail County (32.62%) and Stark County (27.25%). Other counties that have had double-digit growth include Dunn (22.51%), Cass (20.77%), Billings (17.37%), Burleigh (16.61%), and Morton (12.79%).

Population of Counties in North Dakota (2024)

Lists of Counties in all States

  1. North Dakota Census Office
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)