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Port Alsworth, AK
Full City Profile · Alaska · Kenai Peninsula Borough County
2.3
/5.0
C
Fair
174
Population
8/sq mi density
$66,250
Median Income
$107,906 per capita
$450,000
Home Value
$435,931 Zillow
35°F
Avg Temperature
269 sunny days/yr
647
Violent Crime/100K
4,157 property/100K
C
Overall
2.3 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.1 / 5.0
$66,250 median income, 10.1% unemployment
C+
Affordability
2.8 / 5.0
$450,000 home value, /mo rent
F
Safety
1.0 / 5.0
647 violent crimes/100K (70% above avg)
C
Education
2.1 / 5.0
13.4% bachelor's degree or higher
Port Alsworth has a cool climate with an average annual temperature of 35°F (2°C). Winters average 14°F in January while summers reach 57°F in July. The area gets 269 sunny days per year. Annual precipitation totals 23.6 inches. Air quality is rated Good with a median AQI of 21.
Temperature
14°F Jan (-10°C)
57°F Jul (14°C)
| Annual Average | 34.8°F |
| 36% below US avg | |
| January Average | 14°F (-10°C) |
| July Average | 57°F (14°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 724 ft (221 m) |
| Area | 22.7 sq mi (58.8 km²) |
| Population Density | 8/sq mi |
| Coordinates | 60.1567°N, 154.3396°W |
| Timezone | America/Anchorage |
| County | Kenai Peninsula Borough County |
| Nearest Airport | Ted Stevens Anchorage International (ANC) 163 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.0 / 100 |
| Social Vulnerability | 47.1 / 100 |
| Community Resilience | 6.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | No Rating |
| Winter Weather | Relatively High |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Coastal Flood | Very Low |
| Tsunami | Relatively Moderate |
| Volcano | Relatively Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 9.1 m (30 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1883 | COOK INLET, AK | Explosion | 9.1 m | 8 | 99 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
3 volcanoes within 200 km. Closest: Iliamna (71 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Iliamna | Stratovolcano | 3,053 m (10,016 ft) | 1876 | 71 km |
| Augustine | Lava dome(s) | 1,252 m (4,108 ft) | 2006 | 102 km |
| Spurr | Stratovolcano | 3,374 m (11,070 ft) | 1992 | 170 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 14°F (-10°C) | 1.3 in | Coldest |
| February | 15°F (-10°C) | 1.1 in | Driest |
| March | 20°F (-7°C) | 1.3 in | |
| April | 30°F (-1°C) | 1.1 in | |
| May | 41°F (5°C) | 1.3 in | |
| June | 50°F (10°C) | 2.0 in | |
| July | 57°F (14°C) | 2.4 in | Warmest |
| August | 52°F (11°C) | 3.6 in | Wettest |
| September | 45°F (7°C) | 3.4 in | |
| October | 32°F (-0°C) | 2.4 in | |
| November | 21°F (-6°C) | 1.8 in | |
| December | 14°F (-10°C) | 1.7 in |
Port Alsworth has a seasonal temperature swing of 42°F / from 14°F in January to 57°F in July. Total annual precipitation is 23.3 inches, with August being the wettest month (3.6") and February the driest (1.1").