Data / Rankings / Population under 18 / Counties in Alaska

Counties in Alaska by population under 18

Kusilvak Census Area had the highest population under 18 of 30 counties in 2017, at 40.5%. Aleutians East Borough had the lowest, at 9.6%. The median was 22.9% and the figure for Alaska was 25%. Source: the U.S. Census Bureau.

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Highest40.5Kusilvak Census Area
Lowest9.6Aleutians East Borough
Median22.930 counties
Alaska25History

Map of counties, 2017

Aleutians East Borough: 9.6 %Aleutians West Census Area: 12 %Anchorage Municipality: 24.3 %Bethel Census Area: 35.8 %Bristol Bay Borough: 21.6 %Chugach Census Area: 22.6 %Copper River Census Area: 23.1 %Denali Borough: 21.2 %Dillingham Census Area: 31.1 %Fairbanks North Star Borough: 24.3 %Haines Borough: 18.1 %Hoonah-Angoon Census Area: 21.2 %Juneau City and Borough: 22 %Kenai Peninsula Borough: 22.2 %Ketchikan Gateway Borough: 22.8 %Kodiak Island Borough: 25.7 %Kusilvak Census Area: 40.5 %Lake and Peninsula Borough: 28.4 %Matanuska-Susitna Borough: 27.7 %Nome Census Area: 34 %North Slope Borough: 26.2 %Northwest Arctic Borough: 35.6 %Petersburg Borough: 21.7 %Prince of Wales-Hyder Census Area: 24.2 %Sitka City and Borough: 21.6 %Skagway Municipality: 18 %Southeast Fairbanks Census Area: 24.2 %Wrangell City and Borough: 19.5 %Yakutat City and Borough: 19.6 %Yukon-Koyukuk Census Area: 26.4 %
  • Under 20
  • 20 to 22
  • 22 to 23
  • 23 to 25
  • 25 to 29
  • 29 and over
%, 2017. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2017

Kusilvak Census Area: 40.5 %Kusilvak Census Area40.5Bethel Census Area: 35.8 %Bethel Census Area35.8Northwest Arctic Borough: 35.6 %Northwest Arctic Borough35.6Nome Census Area: 34 %Nome Census Area34Dillingham Census Area: 31.1 %Dillingham Census Area31.1Lake and Peninsula Borough: 28.4 %Lake and Peninsula Borough28.4Matanuska-Susitna Borough: 27.7 %Matanuska-Susitna Borough27.7Yukon-Koyukuk Census Area: 26.4 %Yukon-Koyukuk Census Area26.4North Slope Borough: 26.2 %North Slope Borough26.2Kodiak Island Borough: 25.7 %Kodiak Island Borough25.7Fairbanks North Star Borough: 24.3 %Fairbanks North Star Borough24.3Anchorage Municipality: 24.3 %Anchorage Municipality24.3Southeast Fairbanks Census Area: 24.2 %Southeast Fairbanks Census Area24.2Prince of Wales-Hyder Census Area: 24.2 %Prince of Wales-Hyder Census Area24.2Copper River Census Area: 23.1 %Copper River Census Area23.1Ketchikan Gateway Borough: 22.8 %Ketchikan Gateway Borough22.8Chugach Census Area: 22.6 %Chugach Census Area22.6Kenai Peninsula Borough: 22.2 %Kenai Peninsula Borough22.2Juneau City and Borough: 22 %Juneau City and Borough22Petersburg Borough: 21.7 %Petersburg Borough21.7Sitka City and Borough: 21.6 %Sitka City and Borough21.6Bristol Bay Borough: 21.6 %Bristol Bay Borough21.6Hoonah-Angoon Census Area: 21.2 %Hoonah-Angoon Census Area21.2Denali Borough: 21.2 %Denali Borough21.2Yakutat City and Borough: 19.6 %Yakutat City and Borough19.6Wrangell City and Borough: 19.5 %Wrangell City and Borough19.5Haines Borough: 18.1 %Haines Borough18.1Skagway Municipality: 18 %Skagway Municipality18Aleutians West Census Area: 12 %Aleutians West Census Area12Aleutians East Borough: 9.6 %Aleutians East Borough9.6Kusilvak Census Area: 40.5 %Kusilvak Census Area40.5Bethel Census Area: 35.8 %Bethel Census Area35.8Northwest Arctic Borough: 35.6 %Northwest Arctic Borough35.6Nome Census Area: 34 %Nome Census Area34Dillingham Census Area: 31.1 %Dillingham Census Area31.1Lake and Peninsula Borough: 28.4 %Lake and Peninsula Borough28.4Matanuska-Susitna Borough: 27.7 %Matanuska-Susitna Borough27.7Yukon-Koyukuk Census Area: 26.4 %Yukon-Koyukuk Census Area26.4North Slope Borough: 26.2 %North Slope Borough26.2Kodiak Island Borough: 25.7 %Kodiak Island Borough25.7Fairbanks North Star Borough: 24.3 %Fairbanks North Star Borough24.3Anchorage Municipality: 24.3 %Anchorage Municipality24.3Southeast Fairbanks Census Area: 24.2 %Southeast Fairbanks Census Area24.2Prince of Wales-Hyder Census Area: 24.2 %Prince of Wales-Hyder Census Area24.2Copper River Census Area: 23.1 %Copper River Census Area23.1Ketchikan Gateway Borough: 22.8 %Ketchikan Gateway Borough22.8Chugach Census Area: 22.6 %Chugach Census Area22.6Kenai Peninsula Borough: 22.2 %Kenai Peninsula Borough22.2Juneau City and Borough: 22 %Juneau City and Borough22Petersburg Borough: 21.7 %Petersburg Borough21.7Sitka City and Borough: 21.6 %Sitka City and Borough21.6Bristol Bay Borough: 21.6 %Bristol Bay Borough21.6Hoonah-Angoon Census Area: 21.2 %Hoonah-Angoon Census Area21.2Denali Borough: 21.2 %Denali Borough21.2Yakutat City and Borough: 19.6 %Yakutat City and Borough19.6Wrangell City and Borough: 19.5 %Wrangell City and Borough19.5Haines Borough: 18.1 %Haines Borough18.1Skagway Municipality: 18 %Skagway Municipality18Aleutians West Census Area: 12 %Aleutians West Census Area12Aleutians East Borough: 9.6 %Aleutians East Borough9.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2017 (%)Change on 2016
1Kusilvak Census Area40.5+0.2 pts
2Bethel Census Area35.80 pts
3Northwest Arctic Borough35.60 pts
4Nome Census Area34-0.5 pts
5Dillingham Census Area31.1+0.1 pts
6Lake and Peninsula Borough28.4+1 pts
7Matanuska-Susitna Borough27.7-0.1 pts
8Yukon-Koyukuk Census Area26.4-0.3 pts
9North Slope Borough26.2+0.7 pts
10Kodiak Island Borough25.7-0.5 pts
11Fairbanks North Star Borough24.3-0.2 pts
12Anchorage Municipality24.3-0.2 pts
13Southeast Fairbanks Census Area24.2-0 pts
14Prince of Wales-Hyder Census Area24.2-0.8 pts
15Copper River Census Area23.1-0.4 pts
16Ketchikan Gateway Borough22.80 pts
17Chugach Census Area22.6-0.2 pts
18Kenai Peninsula Borough22.2-0.3 pts
19Juneau City and Borough220 pts
20Petersburg Borough21.7-0.2 pts
21Sitka City and Borough21.6-0.7 pts
22Bristol Bay Borough21.6+0.3 pts
23Hoonah-Angoon Census Area21.2+0.5 pts
24Denali Borough21.2+0.9 pts
25Yakutat City and Borough19.6+2 pts
26Wrangell City and Borough19.5-0.2 pts
27Haines Borough18.1-0.4 pts
28Skagway Municipality18+0.7 pts
29Aleutians West Census Area12+0.2 pts
30Aleutians East Borough9.60 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 Alaska by population under 18, 2017) [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 Alaska by population under 18, 2017. 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/alaska-counties?period=2017. 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 Alaska by population under 18, 2017. 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/alaska-counties?period=2017.

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 Alaska by population under 18, 2017 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/population-under-18/alaska-counties?period=2017 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_alaska_by_2017,
  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 Alaska by population under 18, 2017}},
  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/alaska-counties?period=2017. 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 Alaska by population under 18, 2017
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/alaska-counties?period=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population-under-18/alaska-counties?period=2017.
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?

Kusilvak Census Area, with 40.5% in 2017, according to the U.S. Census Bureau.

Which county has the lowest population under 18?

Aleutians East Borough, with 9.6% in 2017.

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 Alaska: more rankings