ZIP code · Winthrop · Washington · United States

ZIP code 98862 — Winthrop

ZIP code 98862 serves Winthrop, Washington.

Postal code
98862
Single source Value from one source, not cross-checked.
City
Winthrop
County
Okanogan FIPS 53047
State
Washington
Country
United States
Coordinates
48.4756, -120.1805 — precision precise (locality)
View on OpenStreetMap
Population
3,089 (ZCTA, ACS 5-year)
Population density
6 / sq mi
Land area
478 sq mi (1,238 km²) (ZCTA, ACS 5-year)
Median household income
$59,597
Per-capita income
$42,217
Median age
55.5
Households
1,387
Housing units
2,227
Median home value
$694,800
Median gross rent
$1,005 / month
Congressional district
WA-4 (119th Congress)
USDA hardiness zone
6b (-5 to 0 °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 (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 Jul (avg high 86°F), coldest Jan (avg low 15°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F303850617177868677614129
Avg low °F151825324046514941322515
Precip in2.11.31.20.81.11.10.70.50.51.42.02.6

NOAA 1991–2020 climate normals from the nearest station: WINTHROP 1 WSW (0.4 mi) · NOAA NCEI

Places in ZIP 98862

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