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Oak Grove, OR
Full City Profile · Oregon · Multnomah County County
3.2
/5.0
B
Good
17,408
Population
4,464/sq mi density
$81,611
Median Income
$42,729 per capita
$485,200
Home Value
$509,169 Zillow
$1,694
Median Rent
33.7% income on rent
55°F
Avg Temperature
251 sunny days/yr
248
Violent Crime/100K
2,247 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$81,611 median income, 3.6% unemployment
B
Affordability
3.3 / 5.0
$485,200 home value, $1,694/mo rent
F
Safety
1.0 / 5.0
248 violent crimes/100K
A
Education
4.2 / 5.0
39.6% bachelor's degree or higher
Oak Grove experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 43°F in January while summers reach 71°F in July. The area gets 251 sunny days per year. Annual precipitation totals 44.8 inches. Air quality is rated Good with a median AQI of 32.
Temperature
43°F Jan (6°C)
71°F Jul (21°C)
| Annual Average | 55.4°F |
| 3% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 71°F (21°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 177 ft (54 m) |
| Area | 4.2 sq mi (10.7 km²) |
| Population Density | 4,464/sq mi |
| Coordinates | 45.4127°N, 122.6344°W |
| Timezone | America/Los_Angeles |
| County | Multnomah County County |
| Nearest Airport | Portland International (PDX) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
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 | 94 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
11 volcanoes within 200 km. Closest: West Crater (68 km).
| Name | Type | Elevation | Last Eruption | Distance |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 68 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 74 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 86 km |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 94 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 105 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 125 km |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 128 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 140 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 158 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 174 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 176 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 7.1 in | |
| February | 44°F (7°C) | 5.4 in | |
| March | 47°F (8°C) | 4.9 in | |
| April | 51°F (11°C) | 3.6 in | |
| May | 57°F (14°C) | 2.8 in | |
| June | 62°F (17°C) | 2.0 in | |
| July | 71°F (21°C) | 0.8 in | Warmest, Driest |
| August | 68°F (20°C) | 1.1 in | |
| September | 63°F (17°C) | 2.1 in | |
| October | 54°F (12°C) | 3.7 in | |
| November | 46°F (8°C) | 7.1 in | |
| December | 41°F (5°C) | 7.6 in | Coldest, Wettest |
Oak Grove has a seasonal temperature swing of 30°F / from 41°F in December to 71°F in July. Total annual precipitation is 48.1 inches, with December being the wettest month (7.6") and July the driest (0.8").