Data / Rankings / Population aged 65 and over / Counties in North Dakota

Counties in North Dakota by share of population aged 65 and over, 2025

Slope County had the highest share of population aged 65 and over of 53 counties in 2025, at 36.8%. McKenzie County had the lowest, at 10.5%. The median was 24.8% and the figure for North Dakota was 17.9%. Source: the U.S. Census Bureau.

Highest36.8Slope County
Lowest10.5McKenzie County
Median24.853 counties
North Dakota17.9History

All counties, 2025

CSVChart (SVG)

Slope CountySlope County: 36.8 %36.8McIntosh CountyMcIntosh County: 34.4 %34.4Grant CountyGrant County: 33.5 %33.5Nelson CountyNelson County: 33.4 %33.4Sheridan CountySheridan County: 32.6 %32.6Griggs CountyGriggs County: 31.2 %31.2Adams CountyAdams County: 31 %31Emmons CountyEmmons County: 30.6 %30.6Wells CountyWells County: 30 %30McLean CountyMcLean County: 28.8 %28.8Logan CountyLogan County: 28.6 %28.6LaMoure CountyLaMoure County: 28.5 %28.5Bowman CountyBowman County: 28.4 %28.4Golden Valley CountyGolden Valley County: 28.2 %28.2Kidder CountyKidder County: 27.9 %27.9Cavalier CountyCavalier County: 27.8 %27.8Steele CountySteele County: 27.8 %27.8Oliver CountyOliver County: 27.8 %27.8Pembina CountyPembina County: 27.7 %27.7Bottineau CountyBottineau County: 27.5 %27.5Towner CountyTowner County: 27.1 %27.1Hettinger CountyHettinger County: 27.1 %27.1Pierce CountyPierce County: 26.9 %26.9Sargent CountySargent County: 26.7 %26.7Foster CountyFoster County: 26.1 %26.1Divide CountyDivide County: 25.9 %25.9Mercer CountyMercer County: 24.8 %24.8Barnes CountyBarnes County: 24.8 %24.8Billings CountyBillings County: 24.7 %24.7Eddy CountyEddy County: 24.6 %24.6McHenry CountyMcHenry County: 24.6 %24.6Burke CountyBurke County: 24.1 %24.1Walsh CountyWalsh County: 23.9 %23.9Renville CountyRenville County: 23.6 %23.6Ransom CountyRansom County: 23.2 %23.2Ramsey CountyRamsey County: 23 %23Stutsman CountyStutsman County: 22.4 %22.4Dickey CountyDickey County: 22.3 %22.3Richland CountyRichland County: 22.2 %22.2Traill CountyTraill County: 22.1 %22.1Burleigh CountyBurleigh County: 19.4 %19.4Morton CountyMorton County: 19.3 %19.3Dunn CountyDunn County: 18.5 %18.5Benson CountyBenson County: 18 %18Mountrail CountyMountrail County: 16.3 %16.3Stark CountyStark County: 15.7 %15.7Ward CountyWard County: 15.6 %15.6Grand Forks CountyGrand Forks County: 15.3 %15.3Rolette CountyRolette County: 15.3 %15.3Cass CountyCass County: 14 %14Sioux CountySioux County: 11.6 %11.6Williams CountyWilliams County: 11.1 %11.1McKenzie CountyMcKenzie County: 10.5 %10.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2025 (%)Change on 2024
1Slope County36.8+1.8 pts
2McIntosh County34.4+1.2 pts
3Grant County33.5+0.6 pts
4Nelson County33.4+0.2 pts
5Sheridan County32.6-0.4 pts
6Griggs County31.2+0.2 pts
7Adams County31-0.4 pts
8Emmons County30.6+0.7 pts
9Wells County30-0.2 pts
10McLean County28.8+0.5 pts
11Logan County28.6+0.9 pts
12LaMoure County28.5+0.1 pts
13Bowman County28.4+0.7 pts
14Golden Valley County28.2+0.4 pts
15Kidder County27.9+0.5 pts
16Cavalier County27.8-0 pts
16Steele County27.8+0.8 pts
18Oliver County27.8+0.9 pts
19Pembina County27.7+0.1 pts
20Bottineau County27.5+0.9 pts
21Towner County27.1-0.2 pts
22Hettinger County27.1+0.5 pts
23Pierce County26.90 pts
24Sargent County26.7+0.8 pts
25Foster County26.1+0.7 pts
26Divide County25.9+0.6 pts
27Mercer County24.8+0.6 pts
28Barnes County24.8+0.6 pts
29Billings County24.7+0.5 pts
30Eddy County24.6+0.2 pts
31McHenry County24.6+0.4 pts
32Burke County24.1+0.7 pts
33Walsh County23.9-0.1 pts
34Renville County23.6+0.4 pts
35Ransom County23.2+0.5 pts
36Ramsey County23+0.5 pts
37Stutsman County22.4+0.3 pts
38Dickey County22.3-0.3 pts
39Richland County22.2+0.5 pts
40Traill County22.1+0.4 pts
41Burleigh County19.4+0.5 pts
42Morton County19.3+0.3 pts
43Dunn County18.5-0.4 pts
44Benson County18+0.5 pts
45Mountrail County16.3+0.7 pts
46Stark County15.7+0.4 pts
47Ward County15.6+0.5 pts
48Grand Forks County15.3+0.3 pts
49Rolette County15.3+0.3 pts
50Cass County14+0.3 pts
51Sioux County11.6+0.6 pts
52Williams County11.1+0.3 pts
53McKenzie County10.5+0.4 pts

Other periods

About this ranking

Residents aged 65 or over as a percentage of total population. Spain: 1 January, INE annual census. United States: 1 July, Census Bureau population estimates. World Bank figures for other countries and the World refer to mid-year.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.

Use this data in your AI agent

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Rank Counties in North Dakota by share of population aged 65 and over using official data, and cite the source.
rank_places {"indicator":"population_65_plus_share","level":"province","within":"North Dakota","limit":10}
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Questions

Which county has the highest share of population aged 65 and over?

Slope County, with 36.8% in 2025, according to the U.S. Census Bureau.

Which county has the lowest share of population aged 65 and over?

McKenzie County, with 10.5% in 2025.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. Retrieved 2026-10-09.

Population aged 65 and over: other rankings

Counties in North Dakota: more rankings