Alaska Population By County in 2021 (ACS-5Yrs)
Updated on February 28, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the total population of Alaska was 735.95K. Among all Alaska counties, Anchorage was the most populated county (292.55K), followed by Matanuska-Susitna (106.81K), and then Fairbanks North Star (97.15K).
On the other hand, the least populated counties were: Yakutat (562), Bristol Bay (849), and Lake and Peninsula (986).
The chart and table below shows the population of each county and the percentage of Alaska population in each county.
You can see similar information for other states and by state for the United States.
Related Topics: Alaska ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates, 2021 Census.
Alaska Population By County in 2021
Alaska Population By County in 2021
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| County | Population | % of State Population |
|---|---|---|
| Aleutians East | 3409 | 0.46 |
| Aleutians West | 5251 | 0.71 |
| Anchorage | 292545 | 39.75 |
| Bethel | 18514 | 2.52 |
| Bristol Bay | 849 | 0.12 |
| Chugach | 7015 | 0.95 |
| Copper River | 2635 | 0.36 |
| Denali | 2187 | 0.30 |
| Dillingham | 4899 | 0.67 |
| Fairbanks North Star | 97149 | 13.20 |
| Haines | 2098 | 0.28 |
| Hoonah-Angoon | 2327 | 0.32 |
| Juneau | 32240 | 4.38 |
| Kenai Peninsula | 58711 | 7.98 |
| Ketchikan Gateway | 13939 | 1.89 |
| Kodiak Island | 13218 | 1.80 |
| Kusilvak | 8354 | 1.14 |
| Lake and Peninsula | 986 | 0.13 |
| Matanuska-Susitna | 106807 | 14.51 |
| Nome | 10070 | 1.37 |
| North Slope | 10865 | 1.48 |
| Northwest Arctic | 7776 | 1.06 |
| Petersburg | 3368 | 0.46 |
| Prince of Wales-Hyder | 5886 | 0.80 |
| Sitka | 8518 | 1.16 |
| Skagway | 1329 | 0.18 |
| Southeast Fairbanks | 6849 | 0.93 |
| Wrangell | 2162 | 0.29 |
| Yakutat | 562 | 0.08 |
| Yukon-Koyukuk | 5433 | 0.74 |