ZIP code · Mead · Washington · United States

ZIP code 99021 — Mead

ZIP code 99021 serves Mead, Washington.

Postal code
99021
Single source Value from one source, not cross-checked.
City
Mead
County
Spokane FIPS 53063
State
Washington
Country
United States
Coordinates
47.7933, -117.3117 — precision precise (locality)
View on OpenStreetMap
Population
9,226 (ZCTA, ACS 5-year)
Population density
115 / sq mi
Land area
80.4 sq mi (208.1 km²) (ZCTA, ACS 5-year)
Median household income
$82,895
Per-capita income
$37,981
Median age
42.3
Households
3,366
Housing units
3,679
Median home value
$418,200
Median gross rent
$1,209 / month
Congressional district
WA-5 (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 87°F), coldest Dec (avg low 26°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F384351607076878676604537
Avg low °F262732374450565547383126
Precip in2.01.31.81.51.71.50.70.50.71.52.02.2

NOAA 1991–2020 climate normals from the nearest station: SPOKANE FELTS FLD (7.6 mi) · NOAA NCEI

Places in ZIP 99021

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