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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%681113Cass County location
Burleigh County100,6282.06%63062Burleigh County location
Grand Forks County72,995-0.2%55451Grand Forks County location
Ward County67,876-2.92%77734Ward County location
Williams County40,260-2.24%80219Williams County location
Morton County34,0852.31%74318Morton County location
Stark County33,284-1.62%51525Stark County location
Stutsman County21,308-1.08%85810Stutsman County location
Richland County16,5420.05%55412Richland County location
McKenzie County14,615-1.09%1.1K5McKenzie County location
Rolette County11,589-4.95%34913Rolette County location
Ramsey County11,410-1.4%45710Ramsey County location
Barnes County10,691-1.47%5767Barnes County location
Walsh County10,150-3.6%4958Walsh County location
McLean County9,8060.41%8145McLean County location
Mountrail County9,525-2.69%7045Mountrail County location
Mercer County8,291-0.67%4038Mercer County location
Traill County7,861-1.58%3339Traill County location
Pembina County6,577-3.82%4326Pembina County location
Bottineau County6,314-1.16%6444Bottineau County location
Benson County5,718-3.66%5364Benson County location
Ransom County5,559-2.34%3336Ransom County location
McHenry County5,067-4.97%7233McHenry County location
Dickey County4,872-1.95%4374Dickey County location
LaMoure County4,1160.37%4424LaMoure County location
Dunn County4,044-1.32%7752Dunn County location
Pierce County3,873-2.74%3934Pierce County location
Wells County3,830-3.58%4913Wells County location
Sargent County3,748-2.09%3314Sargent County location
Sioux County3,600-7.22%4223Sioux County location
Cavalier County3,584-3.24%5752Cavalier County location
Foster County3,238-4.4%2455Foster County location
Emmons County3,194-2.8%5822Emmons County location
Nelson County2,983-0.37%3793Nelson County location
Bowman County2,835-4.87%4492Bowman County location
McIntosh County2,481-1.43%3763McIntosh County location
Hettinger County2,419-1.95%4372Hettinger County location
Renville County2,3081.5%3393Renville County location
Kidder County2,303-3.32%5212Kidder County location
Griggs County2,247-1.92%2743Griggs County location
Eddy County2,219-4.52%2434Eddy County location
Adams County2,193-0.09%3812Adams County location
Grant County2,192-4.11%6401Grant County location
Burke County2,136-2.64%4262Burke County location
Divide County2,101-4.72%4872Divide County location
Towner County2,000-6.85%3962Towner County location
Logan County1,9000.8%3832Logan County location
Oliver County1,8961.44%2793Oliver County location
Steele County1,771-1.28%2752Steele County location
Golden Valley County1,7401.1%3862Golden Valley County location
Sheridan County1,246-1.03%3751Sheridan County location
Billings County1,04311.79%4431Billings County location
Slope County666-5.26%4691Slope 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%).

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)