Ranking of Alaska Counties By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent 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 High School Graduate or Equivalent was 28.46%. Among all Alaska counties, Kusilvak Census Area had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (55.61%), followed by Northwest Arctic Borough (47.09%), and Bethel Census Area (46.62%).

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 High School Graduate or Equivalent 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 High School Graduate or Equivalent in 2021

Kusilvak Census Area

Northwest Arctic Borough

Bethel Census Area

Yakutat City and Borough

Nome Census Area

Aleutians West Census Area

Yukon-Koyukuk Census Area

Aleutians East Borough

North Slope Borough

Lake and Peninsula Borough

Ranking of Alaska Counties By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021

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Rank	County	Percentage of Population (Aged 25yrs+) (%)
1	Kusilvak Census Area	55.61
2	Northwest Arctic Borough	47.09
3	Bethel Census Area	46.62
4	Yakutat City and Borough	44.59
5	Nome Census Area	43.60
6	Aleutians West Census Area	43.36
7	Yukon-Koyukuk Census Area	42.28
8	Aleutians East Borough	41.57
9	North Slope Borough	41.44
10	Lake and Peninsula Borough	40.69
11	Dillingham Census Area	39.92
12	Haines Borough	39.41
13	Southeast Fairbanks Census Area	38.11
14	Prince of Wales-Hyder Census Area	38.06
15	Wrangell City and Borough	36.98
16	Hoonah-Angoon Census Area	36.49
17	Copper River Census Area	35.23
18	Skagway Municipality	33.52
19	Matanuska-Susitna Borough	33.01
20	Petersburg Borough	31.05
21	Kenai Peninsula Borough	30.87
22	Denali Borough	30.44
23	Bristol Bay Borough	30.17
24	Ketchikan Gateway Borough	28.86
25	Kodiak Island Borough	28.16
26	Fairbanks North Star Borough	25.59
27	Sitka City and Borough	25.39
28	Anchorage Municipality	23.71
29	Chugach Census Area	23.33
30	Juneau City and Borough	20.99