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Jefferson, OR
Full City Profile · Oregon · Polk County County
3.0
/5.0
B
Good
3,316
Population
3,856/sq mi density
$90,391
Median Income
$32,900 per capita
$333,000
Home Value
$453,673 Zillow
$1,232
Median Rent
21.3% income on rent
53°F
Avg Temperature
251 sunny days/yr
81
Violent Crime/100K
3,228 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$90,391 median income, 6.0% unemployment
A+
Affordability
4.6 / 5.0
$333,000 home value, $1,232/mo rent
F
Safety
1.0 / 5.0
81 violent crimes/100K
C
Education
2.4 / 5.0
16.9% bachelor's degree or higher
Jefferson experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 41°F in January while summers reach 68°F in July. The area gets 251 sunny days per year. Annual precipitation totals 43.0 inches. The area receives 2.9 inches of snow annually. Air quality is rated Good with a median AQI of 26.
Temperature
41°F Jan (5°C)
68°F Jul (20°C)
| Annual Average | 52.9°F |
| 2% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 251 days/yr |
Geography
| Elevation | 237 ft (72 m) |
| Area | 0.8 sq mi (2.0 km²) |
| Population Density | 3,856/sq mi |
| Coordinates | 44.7166°N, 123.0060°W |
| Timezone | America/Los_Angeles |
| County | Polk County County |
| Nearest Airport | Mahlon Sweet Field (EUG) 42 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
| Good Days % | 79.0% |
| Unhealthy Days | 1 |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 72.8 / 100 |
| Social Vulnerability | 18.2 / 100 |
| Community Resilience | 64.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Coastal Flood | No Rating |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
12 volcanoes within 200 km. Closest: Sand Mountain Field (93 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 93 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 95 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 104 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 118 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 126 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 133 km |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 148 km |
| Davis Lake | Volcanic field | 2,163 m (7,096 ft) | -2790 | 159 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 164 km |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 177 km |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 179 km |
| Newberry | Shield | 2,434 m (7,986 ft) | 690 | 180 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 6.7 in | |
| February | 43°F (6°C) | 5.4 in | |
| March | 47°F (8°C) | 4.7 in | |
| April | 50°F (10°C) | 2.8 in | |
| May | 56°F (13°C) | 2.2 in | |
| June | 61°F (16°C) | 1.5 in | |
| July | 68°F (20°C) | 0.6 in | Warmest, Driest |
| August | 66°F (19°C) | 0.8 in | |
| September | 62°F (17°C) | 1.5 in | |
| October | 54°F (12°C) | 3.2 in | |
| November | 45°F (7°C) | 6.9 in | |
| December | 40°F (5°C) | 7.5 in | Coldest, Wettest |
Jefferson has a seasonal temperature swing of 27°F / from 40°F in December to 68°F in July. Total annual precipitation is 43.7 inches, with December being the wettest month (7.5") and July the driest (0.6").