ZIP code · Grays River · Washington · United States
ZIP code 98621 — Grays River
ZIP code 98621 serves Grays River, Washington.
- Postal code
- 98621Single source Value from one source, not cross-checked.
- City
- Grays River
- County
- Wahkiakum FIPS 53069
- State
- Washington
- Country
- United States
- Coordinates
- 46.3535, -123.5888 — precision precise (locality)
View on OpenStreetMap - Population
- 190 (ZCTA, ACS 5-year)
- Population density
- 4 / sq mi
- Land area
- 49 sq mi (126.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $70,417
- Per-capita income
- $43,991
- Median age
- 61.4
- Households
- 87
- Housing units
- 87
- Congressional district
- WA-3 (119th Congress)
- USDA hardiness zone
- 8b (15 to 20 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
- Area code
- 360Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 98621 with another ZIP · ZIPs within 25 miles · distance from 98621
Map of ZIP code 98621
Climate — monthly normals
Warmest month Aug (avg high 77°F), coldest Feb (avg low 33°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 50 | 54 | 56 | 61 | 67 | 70 | 77 | 77 | 74 | 64 | 55 | 49 |
| Avg low °F | 34 | 33 | 35 | 38 | 43 | 46 | 50 | 50 | 46 | 41 | 36 | 34 |
| Precip in | 16.7 | 10.1 | 11.6 | 8.1 | 4.4 | 3.4 | 1.2 | 1.9 | 4.4 | 10.2 | 15.2 | 16.3 |
NOAA 1991–2020 climate normals from the nearest station: GRAYS RVR HATCHERY (2.7 mi) · NOAA NCEI
Places in ZIP 98621
- 1 parks
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page