Data / Rankings / Population under 18 / Counties in North Dakota

Counties in North Dakota by population under 18

Sioux County had the highest population under 18 of 53 counties in 2022, at 35%. Nelson County had the lowest, at 18.5%. The median was 22.8% and the figure for North Dakota was 23.3%. Source: the U.S. Census Bureau.

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Highest35Sioux County
Lowest18.5Nelson County
Median22.853 counties
North Dakota23.3History

Map of counties, 2022

Adams County: 19.7 %Barnes County: 19.6 %Benson County: 34.2 %Billings County: 21.4 %Bottineau County: 22.1 %Bowman County: 23.1 %Burke County: 24 %Burleigh County: 22.8 %Cass County: 22.1 %Cavalier County: 21.7 %Dickey County: 25.5 %Divide County: 23.1 %Dunn County: 26.6 %Eddy County: 23.7 %Emmons County: 20.6 %Foster County: 23.5 %Golden Valley County: 24.1 %Grand Forks County: 20.9 %Grant County: 19.2 %Griggs County: 20.3 %Hettinger County: 21.8 %Kidder County: 22.4 %LaMoure County: 22.8 %Logan County: 23.2 %McHenry County: 23.5 %McIntosh County: 20.5 %McKenzie County: 30.4 %McLean County: 21.8 %Mercer County: 23.3 %Morton County: 23.6 %Mountrail County: 28.4 %Nelson County: 18.5 %Oliver County: 24.4 %Pembina County: 21.4 %Pierce County: 22.1 %Ramsey County: 23.4 %Ransom County: 23.3 %Renville County: 21.8 %Richland County: 21.9 %Rolette County: 33.9 %Sargent County: 21 %Sheridan County: 20.2 %Sioux County: 35 %Slope County: 21.5 %Stark County: 25.9 %Steele County: 21.9 %Stutsman County: 20.3 %Towner County: 22.7 %Traill County: 23.2 %Walsh County: 22.8 %Ward County: 24.4 %Wells County: 20.5 %Williams County: 27.9 %
  • Under 21
  • 21 to 22
  • 22 to 23
  • 23 to 25
  • 25 and over
%, 2022. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2022

Sioux County: 35 %Sioux County35Benson County: 34.2 %Benson County34.2Rolette County: 33.9 %Rolette County33.9McKenzie County: 30.4 %McKenzie County30.4Mountrail County: 28.4 %Mountrail County28.4Williams County: 27.9 %Williams County27.9Dunn County: 26.6 %Dunn County26.6Stark County: 25.9 %Stark County25.9Dickey County: 25.5 %Dickey County25.5Oliver County: 24.4 %Oliver County24.4Ward County: 24.4 %Ward County24.4Golden Valley County: 24.1 %Golden Valley County24.1Burke County: 24 %Burke County24Eddy County: 23.7 %Eddy County23.7Morton County: 23.6 %Morton County23.6Foster County: 23.5 %Foster County23.5McHenry County: 23.5 %McHenry County23.5Ramsey County: 23.4 %Ramsey County23.4Ransom County: 23.3 %Ransom County23.3Mercer County: 23.3 %Mercer County23.3Logan County: 23.2 %Logan County23.2Traill County: 23.2 %Traill County23.2Bowman County: 23.1 %Bowman County23.1Divide County: 23.1 %Divide County23.1Burleigh County: 22.8 %Burleigh County22.8Walsh County: 22.8 %Walsh County22.8LaMoure County: 22.8 %LaMoure County22.8Towner County: 22.7 %Towner County22.7Kidder County: 22.4 %Kidder County22.4Bottineau County: 22.1 %Bottineau County22.1Pierce County: 22.1 %Pierce County22.1Cass County: 22.1 %Cass County22.1Richland County: 21.9 %Richland County21.9Steele County: 21.9 %Steele County21.9McLean County: 21.8 %McLean County21.8Renville County: 21.8 %Renville County21.8Hettinger County: 21.8 %Hettinger County21.8Cavalier County: 21.7 %Cavalier County21.7Slope County: 21.5 %Slope County21.5Billings County: 21.4 %Billings County21.4Pembina County: 21.4 %Pembina County21.4Sargent County: 21 %Sargent County21Grand Forks County: 20.9 %Grand Forks County20.9Emmons County: 20.6 %Emmons County20.6McIntosh County: 20.5 %McIntosh County20.5Wells County: 20.5 %Wells County20.5Griggs County: 20.3 %Griggs County20.3Stutsman County: 20.3 %Stutsman County20.3Sheridan County: 20.2 %Sheridan County20.2Adams County: 19.7 %Adams County19.7Barnes County: 19.6 %Barnes County19.6Grant County: 19.2 %Grant County19.2Nelson County: 18.5 %Nelson County18.5Sioux County: 35 %Sioux County35Benson County: 34.2 %Benson County34.2Rolette County: 33.9 %Rolette County33.9McKenzie County: 30.4 %McKenzie County30.4Mountrail County: 28.4 %Mountrail County28.4Williams County: 27.9 %Williams County27.9Dunn County: 26.6 %Dunn County26.6Stark County: 25.9 %Stark County25.9Dickey County: 25.5 %Dickey County25.5Oliver County: 24.4 %Oliver County24.4Ward County: 24.4 %Ward County24.4Golden Valley County: 24.1 %Golden Valley County24.1Burke County: 24 %Burke County24Eddy County: 23.7 %Eddy County23.7Morton County: 23.6 %Morton County23.6Foster County: 23.5 %Foster County23.5McHenry County: 23.5 %McHenry County23.5Ramsey County: 23.4 %Ramsey County23.4Ransom County: 23.3 %Ransom County23.3Mercer County: 23.3 %Mercer County23.3Logan County: 23.2 %Logan County23.2Traill County: 23.2 %Traill County23.2Bowman County: 23.1 %Bowman County23.1Divide County: 23.1 %Divide County23.1Burleigh County: 22.8 %Burleigh County22.8Walsh County: 22.8 %Walsh County22.8LaMoure County: 22.8 %LaMoure County22.8Towner County: 22.7 %Towner County22.7Kidder County: 22.4 %Kidder County22.4Bottineau County: 22.1 %Bottineau County22.1Pierce County: 22.1 %Pierce County22.1Cass County: 22.1 %Cass County22.1Richland County: 21.9 %Richland County21.9Steele County: 21.9 %Steele County21.9McLean County: 21.8 %McLean County21.8Renville County: 21.8 %Renville County21.8Hettinger County: 21.8 %Hettinger County21.8Cavalier County: 21.7 %Cavalier County21.7Slope County: 21.5 %Slope County21.5Billings County: 21.4 %Billings County21.4Pembina County: 21.4 %Pembina County21.4Sargent County: 21 %Sargent County21Grand Forks County: 20.9 %Grand Forks County20.9Emmons County: 20.6 %Emmons County20.6McIntosh County: 20.5 %McIntosh County20.5Wells County: 20.5 %Wells County20.5Griggs County: 20.3 %Griggs County20.3Stutsman County: 20.3 %Stutsman County20.3Sheridan County: 20.2 %Sheridan County20.2Adams County: 19.7 %Adams County19.7Barnes County: 19.6 %Barnes County19.6Grant County: 19.2 %Grant County19.2Nelson County: 18.5 %Nelson County18.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2022 (%)Change on 2021
1Sioux County35-1.1 pts
2Benson County34.2-0.5 pts
3Rolette County33.9-0.2 pts
4McKenzie County30.4+0.8 pts
5Mountrail County28.4-0.2 pts
6Williams County27.9+0.1 pts
7Dunn County26.6+0.2 pts
8Stark County25.9-0.1 pts
9Dickey County25.5+0.8 pts
10Oliver County24.4-0.5 pts
11Ward County24.40 pts
12Golden Valley County24.1-0.3 pts
13Burke County24-0 pts
14Eddy County23.7+0.5 pts
15Morton County23.6-0.1 pts
16Foster County23.5+0.6 pts
17McHenry County23.5-0.4 pts
18Ramsey County23.4+0.1 pts
19Ransom County23.3-0.5 pts
20Mercer County23.3-0.1 pts
21Logan County23.2-0 pts
22Traill County23.2+0.2 pts
23Bowman County23.10 pts
24Divide County23.1-0.4 pts
25Burleigh County22.8-0.1 pts
26Walsh County22.8-0 pts
27LaMoure County22.8+0.2 pts
28Towner County22.7-0.3 pts
29Kidder County22.4+0.8 pts
30Bottineau County22.1-0 pts
31Pierce County22.1-0 pts
32Cass County22.1-0.2 pts
33Richland County21.9-0.4 pts
34Steele County21.9+0.1 pts
35McLean County21.8-0.5 pts
36Renville County21.8-0.3 pts
37Hettinger County21.8+0.2 pts
38Cavalier County21.7+0.3 pts
39Slope County21.5+0.6 pts
40Billings County21.4+0.3 pts
41Pembina County21.4+0.1 pts
42Sargent County21-0.4 pts
43Grand Forks County20.9-0.3 pts
44Emmons County20.60 pts
45McIntosh County20.5+0.7 pts
46Wells County20.5+0.5 pts
47Griggs County20.3-0.5 pts
48Stutsman County20.3-0.1 pts
49Sheridan County20.2+1.2 pts
50Adams County19.7-1 pts
51Barnes County19.60 pts
52Grant County19.2-0.3 pts
53Nelson County18.5+0.2 pts

Other periods

About this ranking

Residents aged 0 to 17 as a percentage of total population on 1 July. United States: Census Bureau county population estimates by age; states and the nation are sums of their counties.

Uses the US age of majority. Not comparable with population_0_14_share, which stops at 14.

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: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties (Counties in North Dakota by population under 18, 2022) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in North Dakota by population under 18, 2022. U.S. Census Bureau, 25 June 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/population-under-18/north-dakota-counties?period=2022. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Counties in North Dakota by population under 18, 2022. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/population-under-18/north-dakota-counties?period=2022.

Harvard

U.S. Census Bureau (2026) Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties, Counties in North Dakota by population under 18, 2022 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/population-under-18/north-dakota-counties?period=2022 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_north_dakota_2022,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in North Dakota by population under 18, 2022}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/population-under-18/north-dakota-counties?period=2022. Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties: Counties in North Dakota by population under 18, 2022
PY  - 2026
DA  - 2026/06/25
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2  - https://invokely.ai/rankings/population-under-18/north-dakota-counties?period=2022
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population-under-18/north-dakota-counties?period=2022.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest population under 18?

Sioux County, with 35% in 2022, according to the U.S. Census Bureau.

Which county has the lowest population under 18?

Nelson County, with 18.5% in 2022.

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: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. Retrieved 2026-10-12.

Population under 18: other rankings

Counties in North Dakota: more rankings