Ranking of Alaska Counties By Percentage of Population with Unclassified Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 151.99K people in Alaska with Unclassified ancestry (20.65% of Alaska population). Among all Alaska counties, Matanuska-Susitna Borough had the highest percentage of its population with Unclassified ancestry (26.43%), followed by Fairbanks North Star Borough (25.55%), and Kenai Peninsula Borough (25.21%).

The chart and table below shows the top 10 counties with high percentage of its population having Unclassified ancestry.

You can see similar information for other states and for other ancestry groups in Alaska.

Data Source: US Census Bureau.
Ranking of Alaska Counties By Percentage of Population with Unclassified Ancestry in 2021
Matanuska-Susitna Borough
Fairbanks North Star Borough
Kenai Peninsula Borough
Copper River Census Area
Southeast Fairbanks Census Area
Kodiak Island Borough
Anchorage Municipality
Ketchikan Gateway Borough
Juneau City and Borough
Sitka City and Borough
Ranking of Alaska Counties By Percentage of Population with Unclassified Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Matanuska-Susitna Borough 26.43
2 Fairbanks North Star Borough 25.55
3 Kenai Peninsula Borough 25.21
4 Copper River Census Area 25.12
5 Southeast Fairbanks Census Area 24.65
6 Kodiak Island Borough 21.90
7 Anchorage Municipality 20.74
8 Ketchikan Gateway Borough 20.63
9 Juneau City and Borough 17.62
10 Sitka City and Borough 15.95
11 Haines Borough 15.73
12 North Slope Borough 14.13
13 Skagway Municipality 14.07
14 Petersburg Borough 12.95
15 Denali Borough 11.11
16 Yakutat City and Borough 10.32
17 Dillingham Census Area 10.23
18 Wrangell City and Borough 10.04
19 Northwest Arctic Borough 9.32
20 Chugach Census Area 8.85
21 Nome Census Area 8.45
22 Yukon-Koyukuk Census Area 6.66
23 Bethel Census Area 6.65
24 Hoonah-Angoon Census Area 5.11
25 Prince of Wales-Hyder Census Area 4.43
26 Lake and Peninsula Borough 4.16
27 Kusilvak Census Area 3.69
28 Bristol Bay Borough 3.30
29 Aleutians East Borough 3.20
30 Aleutians West Census Area 2.57