RANKING · 2024 ACS · 53 SHOWN OF 53

Oldest by median age, North Dakota counties

North Dakota counties ranked by median age of residents (2024 ACS). This list covers the 53 counties in North Dakota that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Slope County, NDND62854.1+27%

02McIntosh County, NDND2,45153.0+4%

03Emmons County, NDND3,21551.7+16%

04Griggs County, NDND2,23951.5+12%

05Sheridan County, NDND1,29651.5+7%

06Logan County, NDND1,85950.3+8%

07Nelson County, NDND2,96350.1+6%

08Divide County, NDND2,11049.7+1%

09Grant County, NDND2,20648.9+5%

10Towner County, NDND2,04048.9+11%

11Cavalier County, NDND3,49748.3+7%

12Kidder County, NDND2,39348.1+8%

13McLean County, NDND9,74047.7+8%

14Eddy County, NDND2,32947.5+8%

15Golden Valley County, NDND1,80847.2+15%

16Steele County, NDND1,79746.9+13%

17LaMoure County, NDND4,13546.5+7%

18Wells County, NDND3,72946.3+2%

19Adams County, NDND2,27546.1+1%

20Oliver County, NDND1,89846.1+10%

21Pembina County, NDND6,56845.5+9%

22Pierce County, NDND3,83845.1+5%

23Sargent County, NDND3,71144.9+11%

24Bottineau County, NDND6,28444.2+2%

25Renville County, NDND2,33143.8+0%

26Barnes County, NDND10,57343.5+7%

27Foster County, NDND3,21243.4+7%

28McHenry County, NDND5,13043.4+1%

29Walsh County, NDND10,17943.2+6%

30Ransom County, NDND5,61743.1+6%

31Hettinger County, NDND2,49242.9−7%

32Mercer County, NDND8,44142.9+7%

33Bowman County, NDND2,76242.8−0%

34Billings County, NDND1,07141.8−0%

35Stutsman County, NDND21,41441.1+4%

36Traill County, NDND7,92040.4+4%

37Dunn County, NDND4,05840.4−1%

38Ramsey County, NDND11,53040.3+2%

39Burke County, NDND2,13239.7−16%

40Dickey County, NDND4,89539.5−3%

41Burleigh County, NDND103,25138.5+7%

42Richland County, NDND16,73138.0+7%

43Morton County, NDND34,60137.6+1%

44Mountrail County, NDND9,39535.4−11%

45Stark County, NDND34,01334.8−6%

46Ward County, NDND68,23333.6+4%

47Cass County, NDND201,79432.8+5%

48Benson County, NDND5,75932.6+4%

49Rolette County, NDND11,68832.5+12%

50Williams County, NDND41,76731.8−20%

51McKenzie County, NDND15,19231.5−20%

52Grand Forks County, NDND74,50130.9+6%

53Sioux County, NDND3,66728.2+18%

SHOWING 1–53 OF 53

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES