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West Pasco, WA

Full City Profile · Washington · Benton County County

3.5 /5.0
B+ Good
1,157 Population 792/sq mi density
$129,224 Median Income $49,234 per capita
$443,500 Home Value $424,813 Zillow
53°F Avg Temperature 279 sunny days/yr
246 Violent Crime/100K 3,126 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$129,224 median income, 3.9% unemployment
A+
Affordability
4.8 / 5.0
$443,500 home value, /mo rent
F
Safety
1.0 / 5.0
246 violent crimes/100K
B+
Education
3.9 / 5.0
36.6% bachelor's degree or higher
West Pasco experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 35°F in January while summers reach 75°F in July. The area gets 279 sunny days per year. Annual precipitation totals 7.6 inches. Air quality is rated Good with a median AQI of 28.

Temperature

35°F Jan (1°C) 75°F Jul (24°C)
Annual Average53.3°F
1% below US avg
January Average35°F (1°C)
July Average75°F (24°C)
Sunny Days279 days/yr

Geography

Elevation387 ft (118 m)
Area1.4 sq mi (3.7 km²)
Population Density792/sq mi
Coordinates46.2543°N, 119.1826°W
TimezoneAmerica/Los_Angeles
CountyBenton County County
Nearest AirportTri-Cities (PSC)
3 miles away

Precipitation & Snow

Annual Rainfall 7.6"
80% below US avg
Wettest Month (Dec) 1.14"
Driest Month (Jul) 0.24"

Air Quality

AQI Median28.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0469 ppm

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score87.1 / 100
Social Vulnerability30.3 / 100
Community Resilience58.6 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Moderate
Wildfire Relatively Moderate
Flood Relatively Moderate
Hail Relatively Low
Strong Wind Relatively Low
Heat Wave Relatively Moderate
Winter Weather Relatively High
Lightning Relatively Moderate
Ice Storm Relatively High
Drought Very Low
Cold Wave Relatively Moderate
Landslide Relatively Low
Volcano Very Low
Avalanche Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

206 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.3. Most recent: M2.9 on Sep 23, 2024.

Nov 28, 1991 7 km S of Walla Walla East, Washington M4.3 73 km
Jun 17, 2010 30 km S of White Swan, Washington M4.2 121 km
Jan 30, 2000 6 km SE of Condon, Oregon M4.1 138 km
Jul 14, 1992 6 km S of Walla Walla East, Washington M4.1 73 km
Oct 9, 1998 20 km S of White Swan, Washington M4.0 118 km
Mar 22, 1997 10 km ESE of Condon, Oregon M3.9 136 km
Nov 18, 1997 20 km NW of Bickleton, Washington M3.9 100 km
Aug 7, 1992 8 km WSW of Irrigon, Oregon M3.9 54 km
Sep 4, 2011 14 km N of Richland, Washington M3.7 18 km
Jan 1, 1997 14 km NNE of Selah, Washington M3.7 113 km
May 18, 2008 11 km SSW of Benton City, Washington M3.7 30 km
Feb 1, 2000 7 km SE of Condon, Oregon M3.6 139 km
Jan 23, 2015 3 km N of Cayuse, Oregon M3.5 78 km
Aug 31, 1999 Washington-Oregon border region M3.5 138 km
Jun 29, 2005 0 km SE of Gleed, Washington M3.5 118 km
Oct 26, 1992 12 km N of Naches, Washington M3.5 134 km
Oct 12, 2017 25 km NW of Bickleton, Washington M3.4 105 km
Jan 30, 2000 8 km SE of Condon, Oregon M3.4 139 km
Nov 6, 1997 22 km SE of Desert Aire, Washington M3.4 51 km
Oct 15, 2011 13 km N of Richland, Washington M3.4 18 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

28 tornadoes (EF0+) within 100 km since 1950. Strongest: EF2.

Date Rating Distance Fatalities
Jun 26, 1958 EF2 28 km 0
May 6, 2022 EF1 87 km 0
May 6, 2009 EF1 79 km 0
May 19, 2006 EF1 61 km 0
Jan 16, 2000 EF1 91 km 0
Aug 10, 1985 EF1 82 km 0
Apr 23, 1983 EF1 34 km 0
Jul 1, 1978 EF1 60 km 0
Mar 5, 2024 EF0 73 km 0
Jun 27, 2023 EF0 76 km 0
Mar 31, 2020 EF0 11 km 0
May 22, 2016 EF0 6 km 0
Aug 13, 2014 EF0 48 km 0
Apr 23, 2005 EF0 88 km 0
Apr 23, 2005 EF0 86 km 0
Jun 7, 2004 EF0 50 km 0
May 23, 2004 EF0 57 km 0
May 11, 2003 EF0 87 km 0
Jul 13, 2002 EF0 67 km 0
May 15, 2000 EF0 85 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Nearby Volcanoes

1 volcano within 200 km. Closest: Adams (178 km).

Name Type Elevation Last Eruption Distance
Adams Stratovolcano 3,742 m (12,277 ft) 950 178 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Wildfire History

20 wildfires (100+ acres) within 100 km. Largest: RANGE 12 (167,604 ac, 2016).

Year Name Acres Distance
2016 RANGE 12 167,604 59 km
2000 24 COMMAND 162,300 37 km
1984 HANFORD 122,914 35 km
2000 MULE DRY 90,184 79 km
2007 WAUTOMA 77,956 47 km
1996 COLD CREEK 72,859 82 km
2018 BOYLSTON 66,292 97 km
2023 NEWELL ROAD 61,833 100 km
2024 BIG HORN 51,023 82 km
2009 DRY CREEK COMPLEX 49,843 64 km
2008 COAL PLANT 45,801 75 km
2019 COLD CREEK 43,756 44 km
2015 HIGHWAY 8 35,296 92 km
2003 UMTANUM RIDGE 34,351 83 km
2017 SILVER DOLLAR 30,789 58 km
2007 HORSE HEAVEN COMPLEX (SIX PRONG) 28,225 85 km
2000 UNNAMED 27,815 87 km
2015 UNNAMED 27,736 79 km
2017 400 27,218 78 km
2020 TAYLOR POND 22,591 86 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 35°F (1°C) 1.1 in
February 39°F (4°C) 0.8 in
March 46°F (8°C) 0.8 in
April 53°F (12°C) 0.6 in
May 61°F (16°C) 0.7 in
June 68°F (20°C) 0.4 in
July 75°F (24°C) 0.2 in Warmest, Driest
August 73°F (23°C) 0.4 in
September 64°F (18°C) 0.4 in
October 53°F (12°C) 0.6 in
November 42°F (5°C) 1.1 in
December 34°F (1°C) 1.1 in Coldest, Wettest

West Pasco has a seasonal temperature swing of 41°F / from 34°F in December to 75°F in July. Total annual precipitation is 8.0 inches, with December being the wettest month (1.1") and July the driest (0.2").

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