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Waterloo, OR
Full City Profile · Oregon · Linn County County
2.8
/5.0
C+
Fair
242
Population
2,017/sq mi density
$61,458
Median Income
$28,484 per capita
$236,500
Home Value
$385,787 Zillow
$1,094
Median Rent
29.2% income on rent
52°F
Avg Temperature
234 sunny days/yr
264
Violent Crime/100K
7,136 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$61,458 median income, 3.5% unemployment
A+
Affordability
4.5 / 5.0
$236,500 home value, $1,094/mo rent
F
Safety
1.0 / 5.0
264 violent crimes/100K
D
Education
1.9 / 5.0
11.0% bachelor's degree or higher
Waterloo experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 41°F in January while summers reach 66°F in July. The area gets 234 sunny days per year. Annual precipitation totals 54.5 inches. The area receives 0.1 inches of snow annually. Air quality is rated Good with a median AQI of 32.
Temperature
41°F Jan (5°C)
66°F Jul (19°C)
| Annual Average | 52.4°F |
| 3% below US avg | |
| January Average | 41°F (5°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 234 days/yr |
Geography
| Elevation | 403 ft (123 m) |
| Area | 0.1 sq mi (0.1 km²) |
| Population Density | 2,017/sq mi |
| Coordinates | 44.4947°N, 122.8243°W |
| Timezone | America/Los_Angeles |
| County | Linn County County |
| Nearest Airport | Mahlon Sweet Field (EUG) 32 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.1 / 100 |
| Social Vulnerability | 41.4 / 100 |
| Community Resilience | 62.0 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Volcano | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Nearby Volcanoes
14 volcanoes within 200 km. Closest: Sand Mountain Field (72 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Sand Mountain Field | Pyroclastic cone(s) | 1,664 m (5,459 ft) | -950 | 72 km |
| Belknap | Shield(s) | 2,095 m (6,873 ft) | 480 | 82 km |
| Jefferson | Stratovolcano | 3,199 m (10,495 ft) | 950 | 84 km |
| Three Sisters | Complex | 3,159 m (10,364 ft) | 440 | 93 km |
| Bachelor | Stratovolcano | 2,763 m (9,065 ft) | -5800 | 107 km |
| Davis Lake | Volcanic field | 2,163 m (7,096 ft) | -2790 | 130 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 132 km |
| Cinnamon Butte | Pyroclastic cone(s) | 1,956 m (6,417 ft) | Unknown | 151 km |
| Newberry | Shield | 2,434 m (7,986 ft) | 690 | 154 km |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 165 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 178 km |
| Crater Lake | Caldera | 2,487 m (8,159 ft) | -2850 | 183 km |
| Devils Garden | Volcanic field | 1,698 m (5,571 ft) | Unknown | 191 km |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 196 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 8.1 in | |
| February | 43°F (6°C) | 6.5 in | |
| March | 46°F (8°C) | 6.3 in | |
| April | 49°F (10°C) | 4.4 in | |
| May | 55°F (13°C) | 3.4 in | |
| June | 60°F (15°C) | 2.4 in | |
| July | 66°F (19°C) | 0.8 in | Warmest, Driest |
| August | 65°F (19°C) | 1.3 in | |
| September | 61°F (16°C) | 2.2 in | |
| October | 53°F (12°C) | 4.5 in | |
| November | 45°F (7°C) | 9.0 in | Wettest |
| December | 40°F (4°C) | 8.9 in | Coldest |
Waterloo has a seasonal temperature swing of 27°F / from 40°F in December to 66°F in July. Total annual precipitation is 57.9 inches, with November being the wettest month (9.0") and July the driest (0.8").