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Philomath, OR
Full City Profile · Oregon · Benton County County
3.6
/5.0
B+
Good
5,537
Population
2,688/sq mi density
$83,373
Median Income
$42,921 per capita
$375,600
Home Value
$511,900 Zillow
$1,415
Median Rent
28.9% income on rent
50°F
Avg Temperature
251 sunny days/yr
22
Violent Crime/100K
1,619 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$83,373 median income, 2.3% unemployment
A
Affordability
4.1 / 5.0
$375,600 home value, $1,415/mo rent
F
Safety
1.0 / 5.0
22 violent crimes/100K
A+
Education
4.8 / 5.0
47.3% bachelor's degree or higher
Philomath experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 38°F in January while summers reach 64°F in July. The area gets 251 sunny days per year. Annual precipitation totals 68.8 inches. The area receives 5.3 inches of snow annually. Air quality is rated Good with a median AQI of 32.
Temperature
38°F Jan (3°C)
64°F Jul (18°C)
| Annual Average | 49.8°F |
| 8% below US avg | |
| January Average | 38°F (3°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 279 ft (85 m) |
| Area | 0.8 sq mi (2.0 km²) |
| Population Density | 2,688/sq mi |
| Coordinates | 44.5420°N, 123.3595°W |
| Timezone | America/Los_Angeles |
| County | Benton County County |
| Nearest Airport | Mahlon Sweet Field (EUG) 30 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.4 / 100 |
| Social Vulnerability | 18.5 / 100 |
| Community Resilience | 97.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Coastal Flood | No Rating |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1700 | CASCADIA SUBDUCTION ZONE | Earthquake | — | 2 | 139 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
11 volcanoes within 200 km. Closest: Sand Mountain Field (115 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 115 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 124 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 124 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 135 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 147 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 160 km |
| Davis Lake | Volcanic field | 2,163 m (7,096 ft) | -2790 | 164 km |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 176 km |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 179 km |
| Newberry | Shield | 2,434 m (7,986 ft) | 690 | 193 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 196 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 38°F (3°C) | 11.4 in | Coldest |
| February | 42°F (6°C) | 9.2 in | |
| March | 45°F (7°C) | 8.1 in | |
| April | 48°F (9°C) | 5.0 in | |
| May | 53°F (12°C) | 3.2 in | |
| June | 58°F (15°C) | 2.0 in | |
| July | 64°F (18°C) | 0.8 in | Warmest, Driest |
| August | 64°F (18°C) | 1.1 in | |
| September | 60°F (16°C) | 2.4 in | |
| October | 53°F (11°C) | 5.0 in | |
| November | 44°F (7°C) | 11.3 in | |
| December | 39°F (4°C) | 12.9 in | Wettest |
Philomath has a seasonal temperature swing of 27°F / from 38°F in January to 64°F in July. Total annual precipitation is 72.5 inches, with December being the wettest month (12.9") and July the driest (0.8").