ZIP code · Oakville · Washington · United States

ZIP code 98568 — Oakville

ZIP code 98568 serves Oakville, Washington.

Postal code
98568
Single source Value from one source, not cross-checked.
City
Oakville
County
Grays Harbor FIPS 53027
State
Washington
Country
United States
Coordinates
46.8434, -123.2493 — precision precise (locality)
View on OpenStreetMap
Population
2,956 (ZCTA, ACS 5-year)
Population density
17 / sq mi
Land area
171.2 sq mi (443.3 km²) (ZCTA, ACS 5-year)
Median household income
$80,804
Per-capita income
$34,460
Median age
47.5
Households
1,113
Housing units
1,217
Median home value
$409,800
Median gross rent
$925 / month
Congressional districts
WA-6 (also WA-3) (119th Congress)
USDA hardiness zone
8a (10 to 15 °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 codes
360, 564 (from the nearest rate centre)
Telephone 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.

Climate — monthly normals

Warmest month Aug (avg high 80°F), coldest Dec (avg low 34°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F495256626872788075645347
Avg low °F353436394448525248413734
Precip in11.17.08.25.43.32.20.81.42.77.211.411.4

NOAA 1991–2020 climate normals from the nearest station: ELMA (13.5 mi) · NOAA NCEI

Places in ZIP 98568

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