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Median Age in North Dakota, by County

Median Age for every county in North Dakota, ranked. The highest is Slope County at 54.1 and the lowest is Sioux County at 28.2.

North Dakota: 35.9 · United States: 38.9 · median county in North Dakota: 43.4

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#County Median Age
1Slope County54.1
2McIntosh County53.0
3Emmons County51.7
4Griggs County51.5
5Sheridan County51.5
6Logan County50.3
7Nelson County50.1
8Divide County49.7
9Grant County48.9
10Towner County48.9
11Cavalier County48.3
12Kidder County48.1
13McLean County47.7
14Eddy County47.5
15Golden Valley County47.2
16Steele County46.9
17LaMoure County46.5
18Wells County46.3
19Adams County46.1
20Oliver County46.1
21Pembina County45.5
22Pierce County45.1
23Sargent County44.9
24Bottineau County44.2
25Renville County43.8
26Barnes County43.5
27Foster County43.4
28McHenry County43.4
29Walsh County43.2
30Ransom County43.1
31Hettinger County42.9
32Mercer County42.9
33Bowman County42.8
34Billings County41.8
35Stutsman County41.1
36Dunn County40.4
37Traill County40.4
38Ramsey County40.3
39Burke County39.7
40Dickey County39.5
41Burleigh County38.5
42Richland County38.0
43Morton County37.6
44Mountrail County35.4
45Stark County34.8
46Ward County33.6
47Cass County32.8
48Benson County32.6
49Rolette County32.5
50Williams County31.8
51McKenzie County31.5
52Grand Forks County30.9
53Sioux County28.2

Half of residents are older than this and half are younger.

Source: ACS 2020-2024 5-Year Estimates, 2024.

North Dakota ranks 48th of 52 states for median age.

Median Age in other states

Other statistics for North Dakota by county