Ranking of Alaska Counties By Percentage of Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of Alaska (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 6.74%. Among all Alaska counties, Kusilvak Census Area had the highest percentage of its population (aged 25 years and above) with an educational attainment of Less than High School Diploma (20.44%), followed by Bethel Census Area (18.04%), and Northwest Arctic Borough (15.69%).

The chart below shows the top 10 Alaska counties, and the table below shows the ranking of all Alaska counties.

You can see similar information for other educational attainments.

You can also see similar information for other states and for the United States.

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Ranking of Alaska Counties By Population with Educational Attainment of Less than High School Diploma in 2021
Alaska Educational Attainment and Per Gender in 2021

Related Topics: Alaska ACS-5Yrs Estimates, 2021 Topic List.

Data Source: US Census - ACS 5-Year Estimates.

Ranking of Alaska Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021

Kusilvak Census Area

Bethel Census Area

Northwest Arctic Borough

Aleutians East Borough

Wrangell City and Borough

Dillingham Census Area

Yukon-Koyukuk Census Area

Nome Census Area

North Slope Borough

Lake and Peninsula Borough

Ranking of Alaska Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021

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Rank	County	Percentage of Population (Aged 25yrs+) (%)
1	Kusilvak Census Area	20.44
2	Bethel Census Area	18.04
3	Northwest Arctic Borough	15.69
4	Aleutians East Borough	15.28
5	Wrangell City and Borough	15.23
6	Dillingham Census Area	13.46
7	Yukon-Koyukuk Census Area	12.88
8	Nome Census Area	12.36
9	North Slope Borough	12.35
10	Lake and Peninsula Borough	10.73
11	Kodiak Island Borough	9.51
11	Skagway Municipality	9.51
12	Aleutians West Census Area	8.96
13	Petersburg Borough	8.51
14	Prince of Wales-Hyder Census Area	7.65
15	Southeast Fairbanks Census Area	7.43
16	Matanuska-Susitna Borough	6.28
17	Hoonah-Angoon Census Area	6.26
18	Kenai Peninsula Borough	6.05
19	Ketchikan Gateway Borough	6.03
20	Copper River Census Area	5.91
21	Anchorage Municipality	5.85
22	Fairbanks North Star Borough	5.53
23	Yakutat City and Borough	5.41
24	Bristol Bay Borough	5.29
25	Sitka City and Borough	5.19
26	Juneau City and Borough	4.60
27	Chugach Census Area	4.58
28	Haines Borough	2.31
29	Denali Borough	1.63