Thorp, WA
Full City Profile · Washington · Kittitas County County
3.6
/5.0
B+
Good
129
Population
106/sq mi density
$89,625
Median Income
$47,625 per capita
$421,900
Home Value
$472,199 Zillow
$1,458
Median Rent
19.2% income on rent
50°F
Avg Temperature
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$89,625 median income, 5.7% unemployment
A
Affordability
4.0 / 5.0
$421,900 home value, $1,458/mo rent
B
Education
3.3 / 5.0
29.1% bachelor's degree or higher
Thorp experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 30°F in January while summers reach 72°F in July. Annual precipitation totals 9.2 inches. The area receives 20.3 inches of snow annually. Air quality is rated Good with a median AQI of 23.
Temperature
30°F Jan (-1°C)
72°F Jul (22°C)
| Annual Average | 50.1°F |
| 7% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 72°F (22°C) |
Geography
| Elevation | 1,631 ft (497 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 106/sq mi |
| Coordinates | 47.0655°N, 120.6708°W |
| Timezone | America/Los_Angeles |
| County | Kittitas County County |
| Nearest Airport | Grant County International (MWH) 64 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 23.0 |
| Rating | Good |
| Good Days % | 87.4% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 6.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 89.1 / 100 |
| Social Vulnerability | 40.2 / 100 |
| Community Resilience | 64.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively High |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively High |
| Volcano | Very Low |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1894 | PUYALLUP RIVER DELTA, TACOMA, WA | Meteorological | 3.0 m | 2 | 136 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | - | 143 km |
| 1949 | PUGET SOUND, WA | Eruption + Earthquake | - | 8 | 148 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
6 volcanoes within 200 km. Closest: Rainier (86 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 86 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 114 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 121 km |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 150 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 154 km |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 170 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.2 in | |
| February | 36°F (2°C) | 0.8 in | |
| March | 42°F (6°C) | 0.8 in | |
| April | 49°F (9°C) | 0.7 in | |
| May | 58°F (14°C) | 0.9 in | |
| June | 64°F (18°C) | 0.6 in | |
| July | 72°F (22°C) | 0.2 in | Warmest |
| August | 71°F (22°C) | 0.2 in | Driest |
| September | 62°F (17°C) | 0.4 in | |
| October | 50°F (10°C) | 0.8 in | |
| November | 38°F (3°C) | 1.1 in | |
| December | 30°F (-1°C) | 1.5 in | Coldest, Wettest |
Thorp has a seasonal temperature swing of 42°F / from 30°F in December to 72°F in July. Total annual precipitation is 9.2 inches, with December being the wettest month (1.5") and August the driest (0.2").