Mattawa, Washington
City in Grant County · population 3,335 (2020 Census)
- Household income
- $38,388
- Jan low / Jul high
- 30° / 92°
- Snow a year
- 10 in
- Tornadoes ≤10 mi since 1950
- 0
- Median age
- 21.7
Mattawa is a city of 3,335 people in Grant County, Washington. It ranks better for cycling than 84% of Washington towns.
How Mattawa ranks
Percentile among Washington towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Washington towns.
Homes and cost of living
Median rent is $1,128 a month. 25.0% of households own their home.
| Housing | Mattawa | Typical Washington town |
|---|---|---|
| Median home value | — | $475,000 |
| Median rent | $1,128 | $1,597 |
| Median household income | $38,388 | $90,625 |
| Home value ÷ income | —× | 5.3× |
| Homeownership | 25.0% | 74.4% |
| Median year built | 1993 | 1985 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Mattawa
| People | Mattawa | Typical Washington town |
|---|---|---|
| Median age | 21.7 | 40.1 |
| Age 65 and over | 3.2% | 17.9% |
| Under 18 | 36.9% | — |
| Bachelor's degree or higher | 0.2% | 27.6% |
| Below the poverty line | 33.3% | 8.5% |
| Veterans | 0.5% | — |
| Born outside the U.S. | 51.2% | — |
| Work from home | 8.7% | 13.4% |
| Average commute | 25.7 min | 27.1 min |
| Homes with broadband | 91.1% | 93.9% |
Weather in Mattawa
July highs average 91.6°F and January lows 29.6°F. About 7.5 inches of rain and melted snow fall a year, with 9.9 inches of snow (typical Washington town: 4.0 in). Expect about 50 days a year at 90°F or hotter and 75 nights at or below freezing.
Tornadoes, storms and disasters
NOAA's Storm Events Database has no tornado within 10 miles of Mattawa since 1950.
Severe weather in Grant County since 1996
Grant County has been included in 12 federal disaster or emergency declarations since 1953, most often for fire, flood, drought.
| Declared | Incident | Declaration |
|---|---|---|
| July 11, 2023 | Fire | FM-5469: Baird Springs Fire |
| March 22, 2020 | Biological | DR-4481: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3427: Covid-19 |
| August 12, 2018 | Fire | FM-5271: Grass Valley Fire |
| July 20, 2018 | Fire | FM-5257: Buckshot Fire |
Jobs and pay in Grant County
Grant County had 43,158 jobs in 2024, paying an average of $63,558 a year. Unemployment was 5.2% in 2023; in Mattawa itself the ACS puts it at 11.6%.
Public schools in Mattawa
8 public schools with 2,483 students, about 17.6 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Wahluke High School | 9-12 | 781 | 20.6 |
| Wahluke Junior High | 6-8 | 596 | 18.1 |
| Saddle Mountain Elementary | K-5 | 371 | 13.3 |
| Mattawa Elementary | K-5 | 337 | 14.0 |
| Morris Schott Elementary | K-5 | 234 | 13.8 |
| Mattawa Elementary Pre-School | PK-PK | 119 | — |
| Sentinel Tech Alt School | 9-12 | 34 | 34.0 |
| Developmental Pre-School | PK-PK | 11 | — |
Towns near Mattawa
- Moxee, WA26.2 mi · 4,326 people · home $362,800
- Terrace Heights, WA26.9 mi · 9,244 people · home $377,300
- Zillah, WA28.6 mi · 3,179 people · home $334,800
- Sunnyside, WA29.5 mi · 16,375 people · home $240,700
Mattawa questions
Is Mattawa, Washington a good place to retire?
On The Town Files lifestyle rankings, Mattawa scores better for retirees than 7% of Washington towns and quieter than 38%. 3.2% of residents are 65 or older (median age 21.7).
What is the weather like in Mattawa?
July highs average 91.6°F and January lows 29.6°F (NOAA 1991–2020 normals). It gets about 7.5 inches of precipitation a year and 9.9 inches of snow.
Does Mattawa get tornadoes?
No tornado has been recorded within 10 miles of Mattawa in NOAA's Storm Events Database since 1950.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)