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. The median across all 53 is 43.4. Biggest climber in the top 100 since 2020: Divide County, ND, up 24 places to #8.

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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

01▲21Slope County, NDND62854.1+27%

02▼1McIntosh County, NDND2,45153.0+4%

03▲3Emmons County, NDND3,21551.7+16%

04▲5Griggs County, NDND2,23951.5+12%

05Sheridan County, NDND1,29651.5+7%

06▲6Logan County, NDND1,85950.3+8%

07▼5Nelson County, NDND2,96350.1+6%

08▲24Divide County, NDND2,11049.7+1%

09▼6Grant County, NDND2,20648.9+5%

10▼3Towner County, NDND2,04048.9+11%

11Cavalier County, NDND3,49748.3+7%

12▲3Kidder County, NDND2,39348.1+8%

13▲5McLean County, NDND9,74047.7+8%

14▲9Eddy County, NDND2,32947.5+8%

15▲19Golden Valley County, NDND1,80847.2+15%

16▼6Steele County, NDND1,79746.9+13%

17▼3LaMoure County, NDND4,13546.5+7%

18▼14Wells County, NDND3,72946.3+2%

19▼11Adams County, NDND2,27546.1+1%

20▲6Oliver County, NDND1,89846.1+10%

21▼5Pembina County, NDND6,56845.5+9%

22▼3Pierce County, NDND3,83845.1+5%

23▲1Sargent County, NDND3,71144.9+11%

24▼3Bottineau County, NDND6,28444.2+2%

25▼8Renville County, NDND2,33143.80%

26▲3Barnes County, NDND10,57343.5+7%

27▼7Foster County, NDND3,21243.4+7%

28▼3McHenry County, NDND5,13043.4+1%

29▼2Walsh County, NDND10,17943.2+6%

30▲3Ransom County, NDND5,61743.1+6%

31▼18Hettinger County, NDND2,49242.9−7%

32▼2Mercer County, NDND8,44142.9+7%

33▼2Bowman County, NDND2,76242.80%

34▼6Billings County, NDND1,07141.80%

35▲2Stutsman County, NDND21,41441.1+4%

36▲3Traill County, NDND7,92040.4+4%

37▲4Dunn County, NDND4,05840.4−1%

38Ramsey County, NDND11,53040.3+2%

39▼3Burke County, NDND2,13239.7−16%

40▼5Dickey County, NDND4,89539.5−3%

41▲2Burleigh County, NDND103,25138.5+7%

42▼2Richland County, NDND16,73138.0+7%

43▼1Morton County, NDND34,60137.6+1%

44Mountrail County, NDND9,39535.4−11%

45Stark County, NDND34,01334.8−6%

46▲3Ward County, NDND68,23333.6+4%

47▼1Cass County, NDND201,79432.8+5%

48Benson County, NDND5,75932.6+4%

49▼2Rolette County, NDND11,68832.5+12%

50Williams County, NDND41,76731.8−20%

51▲1McKenzie County, NDND15,19231.5−20%

52▼1Grand Forks County, NDND74,50130.9+6%

53Sioux County, NDND3,66728.2+18%

SHOWING 1–53 OF 53

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES