Counties in Nebraska by population under 18

Thurston County had the highest population under 18 of 93 counties in 2021, at 35%. McPherson County had the lowest, at 16.1%. The median was 23.2% and the figure for Nebraska was 24.6%. Source: the U.S. Census Bureau.

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Median23.293 counties
Nebraska24.6History

Map of counties, 2021

Adams County: 23.4 %Antelope County: 23.8 %Arthur County: 25.9 %Banner County: 23.4 %Blaine County: 20.2 %Boone County: 24.2 %Box Butte County: 24.3 %Boyd County: 19 %Brown County: 21 %Buffalo County: 23.8 %Burt County: 22.6 %Butler County: 23.8 %Cass County: 23.4 %Cedar County: 25.3 %Chase County: 24.4 %Cherry County: 23.6 %Cheyenne County: 23 %Clay County: 24.4 %Colfax County: 30.3 %Cuming County: 24.5 %Custer County: 23.6 %Dakota County: 28.5 %Dawes County: 19.8 %Dawson County: 27.8 %Deuel County: 21.3 %Dixon County: 25.1 %Dodge County: 24.6 %Douglas County: 25.3 %Dundy County: 19.3 %Fillmore County: 22.3 %Franklin County: 21.2 %Frontier County: 21.3 %Furnas County: 21.7 %Gage County: 22.1 %Garden County: 18.6 %Garfield County: 20.6 %Gosper County: 20.7 %Grant County: 20.9 %Greeley County: 22.8 %Hall County: 27 %Hamilton County: 25.1 %Harlan County: 21.4 %Hayes County: 23.5 %Hitchcock County: 22.8 %Holt County: 24.6 %Hooker County: 19.2 %Howard County: 24.7 %Jefferson County: 22 %Johnson County: 17.5 %Kearney County: 25 %Keith County: 21.5 %Keya Paha County: 18.3 %Kimball County: 19.8 %Knox County: 24.8 %Lancaster County: 22.7 %Lincoln County: 23.2 %Logan County: 23.7 %Loup County: 17.7 %McPherson County: 16.1 %Madison County: 24.8 %Merrick County: 23.5 %Morrill County: 22.9 %Nance County: 23.5 %Nemaha County: 23.2 %Nuckolls County: 19.5 %Otoe County: 24 %Pawnee County: 22.5 %Perkins County: 24.8 %Phelps County: 24.2 %Pierce County: 25.1 %Platte County: 25.9 %Polk County: 22.4 %Red Willow County: 22.4 %Richardson County: 21.9 %Rock County: 20.8 %Saline County: 25.8 %Sarpy County: 27 %Saunders County: 25.5 %Scotts Bluff County: 24.1 %Seward County: 23.4 %Sheridan County: 22.5 %Sherman County: 21.2 %Sioux County: 20 %Stanton County: 24.9 %Thayer County: 22.1 %Thomas County: 22.5 %Thurston County: 35 %Valley County: 23.3 %Washington County: 23.8 %Wayne County: 19.8 %Webster County: 23 %Wheeler County: 21.7 %York County: 22.9 %
  • Under 21
  • 21 to 22
  • 22 to 23
  • 23 to 24
  • 24 to 25
  • 25 and over
%, 2021. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2021

Thurston County: 35 %Thurston County35Colfax County: 30.3 %Colfax County30.3Dakota County: 28.5 %Dakota County28.5Dawson County: 27.8 %Dawson County27.8Hall County: 27 %Hall County27Sarpy County: 27 %Sarpy County27Platte County: 25.9 %Platte County25.9Arthur County: 25.9 %Arthur County25.9Saline County: 25.8 %Saline County25.8Saunders County: 25.5 %Saunders County25.5Cedar County: 25.3 %Cedar County25.3Douglas County: 25.3 %Douglas County25.3Hamilton County: 25.1 %Hamilton County25.1Pierce County: 25.1 %Pierce County25.1Dixon County: 25.1 %Dixon County25.1Kearney County: 25 %Kearney County25Stanton County: 24.9 %Stanton County24.9Madison County: 24.8 %Madison County24.8Knox County: 24.8 %Knox County24.8Perkins County: 24.8 %Perkins County24.8Howard County: 24.7 %Howard County24.7Holt County: 24.6 %Holt County24.6Dodge County: 24.6 %Dodge County24.6Cuming County: 24.5 %Cuming County24.5Chase County: 24.4 %Chase County24.4Clay County: 24.4 %Clay County24.4Box Butte County: 24.3 %Box Butte County24.3Boone County: 24.2 %Boone County24.2Phelps County: 24.2 %Phelps County24.2Scotts Bluff County: 24.1 %Scotts Bluff County24.1Otoe County: 24 %Otoe County24Washington County: 23.8 %Washington County23.8Antelope County: 23.8 %Antelope County23.8Butler County: 23.8 %Butler County23.8Buffalo County: 23.8 %Buffalo County23.8Logan County: 23.7 %Logan County23.7Cherry County: 23.6 %Cherry County23.6Custer County: 23.6 %Custer County23.6Hayes County: 23.5 %Hayes County23.5Nance County: 23.5 %Nance County23.5Thurston County: 35 %Thurston County35Colfax County: 30.3 %Colfax County30.3Dakota County: 28.5 %Dakota County28.5Dawson County: 27.8 %Dawson County27.8Hall County: 27 %Hall County27Sarpy County: 27 %Sarpy County27Platte County: 25.9 %Platte County25.9Arthur County: 25.9 %Arthur County25.9Saline County: 25.8 %Saline County25.8Saunders County: 25.5 %Saunders County25.5Cedar County: 25.3 %Cedar County25.3Douglas County: 25.3 %Douglas County25.3Hamilton County: 25.1 %Hamilton County25.1Pierce County: 25.1 %Pierce County25.1Dixon County: 25.1 %Dixon County25.1Kearney County: 25 %Kearney County25Stanton County: 24.9 %Stanton County24.9Madison County: 24.8 %Madison County24.8Knox County: 24.8 %Knox County24.8Perkins County: 24.8 %Perkins County24.8Howard County: 24.7 %Howard County24.7Holt County: 24.6 %Holt County24.6Dodge County: 24.6 %Dodge County24.6Cuming County: 24.5 %Cuming County24.5Chase County: 24.4 %Chase County24.4Clay County: 24.4 %Clay County24.4Box Butte County: 24.3 %Box Butte County24.3Boone County: 24.2 %Boone County24.2Phelps County: 24.2 %Phelps County24.2Scotts Bluff County: 24.1 %Scotts Bluff County24.1Otoe County: 24 %Otoe County24Washington County: 23.8 %Washington County23.8Antelope County: 23.8 %Antelope County23.8Butler County: 23.8 %Butler County23.8Buffalo County: 23.8 %Buffalo County23.8Logan County: 23.7 %Logan County23.7Cherry County: 23.6 %Cherry County23.6Custer County: 23.6 %Custer County23.6Hayes County: 23.5 %Hayes County23.5Nance County: 23.5 %Nance County23.5
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)Change on 2020
1Thurston County35+0.2 pts
2Colfax County30.3-0.2 pts
3Dakota County28.5-0.5 pts
4Dawson County27.8-0.3 pts
5Hall County27-0.2 pts
6Sarpy County27-0.4 pts
7Platte County25.9-0.3 pts
8Arthur County25.9-1.6 pts
9Saline County25.8+0.1 pts
10Saunders County25.5+0.2 pts
11Cedar County25.30 pts
12Douglas County25.3-0.3 pts
13Hamilton County25.1-0.2 pts
14Pierce County25.10 pts
15Dixon County25.10 pts
16Kearney County250 pts
17Stanton County24.9-0.3 pts
18Madison County24.8-0.1 pts
19Knox County24.8+0.2 pts
20Perkins County24.8-0.5 pts
21Howard County24.7-0.1 pts
22Holt County24.6+0.2 pts
23Dodge County24.6+0.1 pts
24Cuming County24.5-0.2 pts
25Chase County24.4-0.1 pts
26Clay County24.4+0.5 pts
27Box Butte County24.3-0.2 pts
28Boone County24.2+0.4 pts
29Phelps County24.2+0.2 pts
30Scotts Bluff County24.1-0.2 pts
31Otoe County24-0.3 pts
32Washington County23.8-0.3 pts
33Antelope County23.8+0.2 pts
34Butler County23.8+0.5 pts
35Buffalo County23.8-0.2 pts
36Logan County23.7-0.7 pts
37Cherry County23.6+0.4 pts
38Custer County23.6-0 pts
39Hayes County23.5+0.7 pts
40Nance County23.5+0.1 pts
41Merrick County23.5-0.3 pts
42Cass County23.4-0.3 pts
43Adams County23.4-0.2 pts
44Banner County23.4-0.5 pts
45Seward County23.4-0.3 pts
46Valley County23.3-0.2 pts
47Nemaha County23.2+0.4 pts
48Lincoln County23.2-0.1 pts
49Cheyenne County23+0.3 pts
50Webster County23+0.4 pts
51York County22.9+0.1 pts
52Morrill County22.9+0.3 pts
53Greeley County22.8-0.4 pts
54Hitchcock County22.8+0.2 pts
55Lancaster County22.7-0.2 pts
56Burt County22.6+0.3 pts
57Sheridan County22.5-0.2 pts
58Pawnee County22.5+0.3 pts
59Thomas County22.5+0.1 pts
60Red Willow County22.4-0.1 pts
61Polk County22.4-0.2 pts
62Fillmore County22.3-0 pts
63Thayer County22.1-0.5 pts
64Gage County22.1-0.2 pts
65Jefferson County22+0.1 pts
66Richardson County21.9+0.4 pts
67Furnas County21.7-0.5 pts
68Wheeler County21.7+0.2 pts
69Keith County21.50 pts
70Harlan County21.4+0.4 pts
71Frontier County21.3-0.2 pts
72Deuel County21.3+0.4 pts
73Sherman County21.20 pts
74Franklin County21.2-0.1 pts
75Brown County21-0.3 pts
76Grant County20.9-1.3 pts
77Rock County20.8+1.1 pts
78Gosper County20.7-0.5 pts
79Garfield County20.6-0.5 pts
80Blaine County20.2+1.6 pts
81Sioux County20+0.8 pts
82Kimball County19.8+0.2 pts
83Wayne County19.8-0.2 pts
84Dawes County19.8-0.1 pts
85Nuckolls County19.5+0.3 pts
86Dundy County19.3+0.1 pts
87Hooker County19.2+0.7 pts
88Boyd County19+0.2 pts
89Garden County18.6-0.5 pts
90Keya Paha County18.3+1.1 pts
91Loup County17.7-0.7 pts
92Johnson County17.5-0.5 pts
93McPherson County16.1+0.4 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 Nebraska by population under 18, 2021) [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 Nebraska by population under 18, 2021. 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/nebraska-counties?period=2021. 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 Nebraska by population under 18, 2021. 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/nebraska-counties?period=2021.

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 Nebraska by population under 18, 2021 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/population-under-18/nebraska-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_nebraska_by_2021,
  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 Nebraska by population under 18, 2021}},
  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/nebraska-counties?period=2021. 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 Nebraska by population under 18, 2021
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/nebraska-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population-under-18/nebraska-counties?period=2021.
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?

Thurston County, with 35% in 2021, according to the U.S. Census Bureau.

Which county has the lowest population under 18?

McPherson County, with 16.1% in 2021.

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 Nebraska: more rankings