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McMillin, WA
Full City Profile · Washington · Pierce County County
3.0
/5.0
B
Good
1,298
Population
777/sq mi density
$107,305
Median Income
$52,996 per capita
$566,300
Home Value
$557,739 Zillow
$2,147
Median Rent
23.2% income on rent
51°F
Avg Temperature
240 sunny days/yr
113
Violent Crime/100K
2,566 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$107,305 median income, 3.7% unemployment
B+
Affordability
3.7 / 5.0
$566,300 home value, $2,147/mo rent
F
Safety
1.0 / 5.0
113 violent crimes/100K
C+
Education
2.7 / 5.0
21.6% bachelor's degree or higher
McMillin experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 40°F in January while summers reach 64°F in July. The area gets 240 sunny days per year. Annual precipitation totals 45.1 inches. The area receives 5.6 inches of snow annually. Air quality is rated Good with a median AQI of 28.
Temperature
40°F Jan (4°C)
64°F Jul (18°C)
| Annual Average | 50.5°F |
| 6% below US avg | |
| January Average | 40°F (4°C) |
| July Average | 64°F (18°C) |
| Sunny Days | 240 days/yr |
Geography
| Elevation | 138 ft (42 m) |
| Area | 0.6 sq mi (1.7 km²) |
| Population Density | 777/sq mi |
| Coordinates | 47.1260°N, 122.2353°W |
| Timezone | America/Los_Angeles |
| County | Pierce County County |
| Nearest Airport | Seattle-Tacoma International (SEA) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 28.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0412 ppm |
| NO₂ (Nitrogen Dioxide) | 17.9 ppb |
| PM2.5 (Fine Particles) | 6.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.5 / 100 |
| Social Vulnerability | 14.4 / 100 |
| Community Resilience | 60.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Relatively High |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively High |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
| Coastal Flood | Relatively Moderate |
| Tsunami | Relatively Low |
| Volcano | Relatively High |
| Avalanche | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
6 tsunamis 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 | 103 km |
| 1894 | PUYALLUP RIVER DELTA, TACOMA, WA | Meteorological | 3.0 m | 2 | 24 km |
| 1891 | WASHINGTON | Eruption + Earthquake | 2.4 m | — | 136 km |
| 1949 | PUGET SOUND, WA | Meteorological | 2.4 m | — | 30 km |
| 1949 | PUGET SOUND, WA | Eruption + Earthquake | — | 8 | 29 km |
| 1820 | CAMANO ISLAND, WA | Meteorological | — | — | 104 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Nearby Volcanoes
8 volcanoes within 200 km. Closest: Rainier (47 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 47 km |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 103 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 117 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 137 km |
| Glacier Peak | Stratovolcano | 3,213 m (10,541 ft) | 1700 | 138 km |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 139 km |
| Baker | Stratovolcano(es) | 3,285 m (10,778 ft) | 1880 | 186 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 199 km |
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 6.5 in | |
| February | 41°F (5°C) | 5.2 in | |
| March | 44°F (7°C) | 4.7 in | |
| April | 48°F (9°C) | 3.9 in | |
| May | 54°F (12°C) | 2.7 in | |
| June | 59°F (15°C) | 2.3 in | |
| July | 64°F (18°C) | 1.2 in | Driest |
| August | 65°F (18°C) | 1.5 in | Warmest |
| September | 59°F (15°C) | 2.3 in | |
| October | 51°F (11°C) | 3.8 in | |
| November | 43°F (6°C) | 7.1 in | Wettest |
| December | 39°F (4°C) | 6.8 in | Coldest |
McMillin has a seasonal temperature swing of 26°F / from 39°F in December to 65°F in August. Total annual precipitation is 47.8 inches, with November being the wettest month (7.1") and July the driest (1.2").