Dunthorpe, OR
Full City Profile · Oregon · Multnomah County County
4.5
/5.0
A+
Excellent
1,984
Population
1,890/sq mi density
$250,001
Median Income
$159,960 per capita
$1,410,700
Home Value
$511,502 Zillow
$2,313
Median Rent
22.8% income on rent
55°F
Avg Temperature
A+
Overall
4.5 / 5.0
Strong
A+
Economy
5.0 / 5.0
$250,001 median income, 1.2% unemployment
B
Affordability
3.5 / 5.0
$1,410,700 home value, $2,313/mo rent
A+
Education
5.0 / 5.0
80.8% bachelor's degree or higher
Dunthorpe experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 42°F in January while summers reach 69°F in July. Annual precipitation totals 44.1 inches. The area receives 3.6 inches of snow annually. Air quality is rated Good with a median AQI of 35.
Temperature
42°F Jan (6°C)
69°F Jul (21°C)
| Annual Average | 54.8°F |
| 1% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 69°F (21°C) |
Geography
| Elevation | 418 ft (127 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 1,890/sq mi |
| Coordinates | 45.4409°N, 122.6591°W |
| Timezone | America/Los_Angeles |
| County | Multnomah County County |
| Nearest Airport | Portland International (PDX) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 35.0 |
| Rating | Good |
| Good Days % | 85.0% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0329 ppm |
| NO₂ (Nitrogen Dioxide) | 9.5 ppb |
| SO₂ (Sulfur Dioxide) | 0.44 ppb |
| CO (Carbon Monoxide) | 0.16 ppm |
| PM2.5 (Fine Particles) | 6.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.5 / 100 |
| Social Vulnerability | 29.8 / 100 |
| Community Resilience | 95.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively High |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
| Coastal Flood | Relatively Low |
| Volcano | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 250.0 m (820 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1980 | WASHINGTON | Explosion | 250.0 m | 61 | 92 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
11 volcanoes within 200 km. Closest: West Crater (66 km).
| Name | Type | Elevation | Last Eruption | Distance |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 66 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 76 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 85 km |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 92 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 109 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 124 km |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 131 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 144 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 162 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 172 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 180 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 6.4 in | |
| February | 45°F (7°C) | 4.7 in | |
| March | 48°F (9°C) | 4.8 in | |
| April | 53°F (11°C) | 3.6 in | |
| May | 59°F (15°C) | 2.6 in | |
| June | 63°F (17°C) | 1.5 in | |
| July | 69°F (21°C) | 0.4 in | Driest |
| August | 70°F (21°C) | 0.5 in | Warmest |
| September | 65°F (18°C) | 1.6 in | |
| October | 55°F (13°C) | 4.0 in | |
| November | 47°F (8°C) | 6.6 in | |
| December | 42°F (5°C) | 7.4 in | Coldest, Wettest |
Dunthorpe has a seasonal temperature swing of 28°F / from 42°F in December to 70°F in August. Total annual precipitation is 44.1 inches, with December being the wettest month (7.4") and July the driest (0.4").