The Town FilesCosmopolis, Washington
City in Grays Harbor County · population 1,638 (2020 Census)
- Median home
- $317,000
- Household income
- $84,853
- Jan low / Jul high
- 37° / 68°
- Snow a year
- 1 in
- Tornadoes ≤10 mi since 1950
- 0
- Median age
- 39.2
Cosmopolis is a city of 1,638 people in Grays Harbor County, Washington. The median home is worth $317,000, below the typical Washington town ($475,000). It ranks hipper than 99% of Washington towns, more seaside character than 98% of Washington towns, easier by car than 90% of Washington towns.
How Cosmopolis 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
The median home in Cosmopolis is worth $317,000, below the typical Washington town ($475,000). Homes cost about 3.7 times the median household income of $84,853, which is more affordable than 92% of Washington towns. 82.7% of households own their home.
| Housing | Cosmopolis | Typical Washington town |
|---|---|---|
| Median home value | $317,000 | $475,000 |
| Median rent | — | $1,597 |
| Median household income | $84,853 | $90,625 |
| Home value ÷ income | 3.7× | 5.3× |
| Homeownership | 82.7% | 74.4% |
| Median year built | 1966 | 1985 |
| Seasonal / vacation homes | 1.5% | — |
Who lives in Cosmopolis
| People | Cosmopolis | Typical Washington town |
|---|---|---|
| Median age | 39.2 | 40.1 |
| Age 65 and over | 15.9% | 17.9% |
| Under 18 | 28.5% | — |
| Bachelor's degree or higher | 26.6% | 27.6% |
| Below the poverty line | 10.3% | 8.5% |
| Veterans | 6.7% | — |
| Born outside the U.S. | 4.7% | — |
| Work from home | 1.1% | 13.4% |
| Average commute | 28.0 min | 27.1 min |
| Homes with broadband | 92.0% | 93.9% |
Weather in Cosmopolis
July highs average 68.2°F and January lows 37.3°F. About 84.9 inches of rain and melted snow fall a year, with 0.5 inches of snow (typical Washington town: 4.0 in). Expect about 2 days a year at 90°F or hotter and 35 nights at or below freezing.
Tornadoes, storms and disasters
NOAA's Storm Events Database has no tornado within 10 miles of Cosmopolis since 1950.
Severe weather in Grays Harbor County since 1996
Grays Harbor County has been included in 35 federal disaster or emergency declarations since 1953, most often for flood, biological, earthquake.
| Declared | Incident | Declaration |
|---|---|---|
| April 7, 2026 | Flood | DR-4906: Severe Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides |
| December 12, 2025 | Flood | EM-3629: Severe Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides |
| April 28, 2024 | Severe Storm | DR-4775: Severe Winter Storms, Straight-Line Winds, Flooding, Landslides, And Mudslides |
| March 29, 2022 | Flood | DR-4650: Severe Winter Storms, Snowstorms, Straight-Line Winds, Flooding |
| April 8, 2021 | Severe Storm | DR-4593: Severe Winter Storm, Straight-Line Winds, Flooding, Landslides, And Mudslides |
Jobs and pay in Grays Harbor County
Grays Harbor County had 23,816 jobs in 2024, paying an average of $56,803 a year. Unemployment was 6.3% in 2023; in Cosmopolis itself the ACS puts it at 5.8%.
Public schools in Cosmopolis
1 public school with 167 students, about 11.9 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| Cosmopolis Elementary School | K-6 | 167 | 11.9 |
Towns near Cosmopolis
- Aberdeen, WA2.3 mi · 17,013 people · home $237,300
- Central Park, WA3.5 mi · 2,841 people · home $335,500
- Hoquiam, WA6.6 mi · 8,776 people · home $228,200
- Montesano, WA9.8 mi · 4,138 people · home $354,300
- Brady, WA11.4 mi · 692 people · home $370,500
- Ocosta, WA13.1 mi · 502 people · home $122,400
- Satsop, WA14.5 mi · 696 people · home $350,000
- Cohassett Beach, WA16.9 mi · 771 people · home $404,700
Cosmopolis questions
Is Cosmopolis, Washington a good place to retire?
On The Town Files lifestyle rankings, Cosmopolis scores better for retirees than 32% of Washington towns and quieter than 52%. 15.9% of residents are 65 or older (median age 39.2).
How much does a house cost in Cosmopolis?
The median owner-occupied home in Cosmopolis is valued at $317,000 (Census ACS 2020–2024), against a median household income of $84,853, so homes cost about 3.7 times income. Median rent is — a month.
What is the weather like in Cosmopolis?
July highs average 68.2°F and January lows 37.3°F (NOAA 1991–2020 normals). It gets about 84.9 inches of precipitation a year and 0.5 inches of snow.
Does Cosmopolis get tornadoes?
No tornado has been recorded within 10 miles of Cosmopolis 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)