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Koyuk, AK
Full City Profile · Alaska · Kusilvak Census Area County
2.2
/5.0
C
Fair
306
Population
60/sq mi density
$34,250
Median Income
$15,647 per capita
$97,200
Home Value
$435,931 Zillow
$931
Median Rent
29.2% income on rent
23°F
Avg Temperature
200 sunny days/yr
1,490
Violent Crime/100K
4,348 property/100K
C
Overall
2.2 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Economy
1.3 / 5.0
$34,250 median income, 12.3% unemployment
A+
Affordability
5.0 / 5.0
$97,200 home value, $931/mo rent
F
Safety
1.0 / 5.0
1,490 violent crimes/100K (292% above avg)
F
Education
1.4 / 5.0
5.0% bachelor's degree or higher
Koyuk has a cool climate with an average annual temperature of 23°F (-5°C). Winters average -4°F in January while summers reach 54°F in July. The area gets 200 sunny days per year. Air quality is rated Good with a median AQI of 21.
Temperature
-4°F Jan (-20°C)
54°F Jul (12°C)
| Annual Average | 23.2°F |
| 57% below US avg | |
| January Average | -4°F (-20°C) |
| July Average | 54°F (12°C) |
| Sunny Days | 200 days/yr |
Geography
| Elevation | 69 ft (21 m) |
| Area | 5.1 sq mi (13.2 km²) |
| Population Density | 60/sq mi |
| Coordinates | 64.9411°N, 161.1455°W |
| Timezone | America/Anchorage |
| County | Kusilvak Census Area County |
| Nearest Airport | Fairbanks International (FAI) 389 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 57.9 / 100 |
| Social Vulnerability | 100.0 / 100 |
| Community Resilience | 5.9 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | No Rating |
| Hail | Very Low |
| Strong Wind | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Coastal Flood | No Rating |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Imuruk Lake (125 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Imuruk Lake | Shield(s) | 610 m (2,001 ft) | 300 | 125 km |
| St. Michael | Shield(s) | 715 m (2,346 ft) | Unknown | 172 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -4°F (-20°C) | 0.7 in | Coldest |
| February | 3°F (-16°C) | 0.6 in | |
| March | 7°F (-14°C) | 0.5 in | Driest |
| April | 20°F (-7°C) | 0.6 in | |
| May | 37°F (3°C) | 0.5 in | |
| June | 51°F (11°C) | 0.9 in | |
| July | 54°F (12°C) | 1.9 in | Warmest |
| August | 52°F (11°C) | 3.2 in | Wettest |
| September | 44°F (6°C) | 2.4 in | |
| October | 27°F (-3°C) | 1.1 in | |
| November | 13°F (-11°C) | 0.8 in | |
| December | 3°F (-16°C) | 0.8 in |
Koyuk has a seasonal temperature swing of 58°F / from -4°F in January to 54°F in July. Total annual precipitation is 14.0 inches, with August being the wettest month (3.2") and March the driest (0.5").