ZIP code · Cosmopolis · Washington · United States
ZIP code 98537 — Cosmopolis
ZIP code 98537 serves Cosmopolis, Washington.
- Postal code
- 98537Single source Value from one source, not cross-checked.
- City
- Cosmopolis
- County
- Grays Harbor FIPS 53027
- State
- Washington
- Country
- United States
- Coordinates
- 46.9538, -123.7739 — precision precise (locality)
View on OpenStreetMap - Population
- 2,902 (ZCTA, ACS 5-year)
- Population density
- 18 / sq mi
- Land area
- 162.8 sq mi (421.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $74,421
- Per-capita income
- $34,133
- Median age
- 41.8
- Households
- 1,031
- Housing units
- 1,166
- Median home value
- $301,400
- Median gross rent
- $947 / month
- Congressional districts
- WA-6 (also 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)
Tools: compare 98537 with another ZIP · ZIPs within 25 miles · distance from 98537
Map of ZIP code 98537
Climate — monthly normals
Warmest month Aug (avg high 69°F), coldest Dec (avg low 37°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 48 | 50 | 53 | 57 | 61 | 65 | 68 | 69 | 69 | 61 | 52 | 47 |
| Avg low °F | 37 | 37 | 38 | 41 | 47 | 51 | 54 | 54 | 51 | 45 | 40 | 37 |
| Precip in | 13.9 | 8.6 | 9.8 | 6.3 | 3.5 | 2.4 | 0.9 | 1.5 | 2.7 | 8.3 | 13.7 | 13.4 |
NOAA 1991–2020 climate normals from the nearest station: ABERDEEN (2.7 mi) · NOAA NCEI
Places in ZIP 98537
- 2 schools
- 4 restaurants & cafés
- 2 bars & pubs
- 5 parks
- 4 playgrounds
- 1 post offices
- 1 places of worship
- 1 gas stations
- 1 police & fire stations
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