ZIP code · Brewster · Washington · United States

ZIP code 98812 — Brewster

ZIP code 98812 serves Brewster, Washington.

Postal code
98812
Single source Value from one source, not cross-checked.
City
Brewster
County
Okanogan FIPS 53047
State
Washington
Country
United States
Coordinates
48.1206, -119.7720 — precision precise (locality)
View on OpenStreetMap
Population
5,188 (ZCTA, ACS 5-year)
Population density
27 / sq mi
Land area
193.7 sq mi (501.8 km²) (ZCTA, ACS 5-year)
Median household income
$60,146
Per-capita income
$21,473
Median age
32
Households
1,637
Housing units
1,898
Median home value
$301,400
Median gross rent
$906 / month
Congressional district
WA-4 (119th Congress)
USDA hardiness zone
7a (0 to 5 °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
509
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 Jul (avg high 91°F), coldest Jan (avg low 23°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F344254647481919080634535
Avg low °F232532384652585849383023
Precip in1.40.91.10.60.90.80.50.20.30.81.22.0

NOAA 1991–2020 climate normals from the nearest station: CHIEF JOSEPH DAM (10.3 mi) · NOAA NCEI

Places in ZIP 98812

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