ZIP code · Springdale · Washington · United States

ZIP code 99173 — Springdale

ZIP code 99173 serves Springdale, Washington.

Postal code
99173
Single source Value from one source, not cross-checked.
City
Springdale
County
Stevens FIPS 53065
State
Washington
Country
United States
Coordinates
48.0022, -117.8290 — precision precise (locality)
View on OpenStreetMap
Population
1,773 (ZCTA, ACS 5-year)
Population density
13 / sq mi
Land area
141.8 sq mi (367.2 km²) (ZCTA, ACS 5-year)
Median household income
$53,227
Per-capita income
$30,018
Median age
40
Households
624
Housing units
747
Median home value
$267,400
Median gross rent
$850 / 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
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 84°F), coldest Jan (avg low 21°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F343949586773848474584233
Avg low °F212227323944484740322621
Precip in2.91.62.31.91.91.90.60.70.82.02.83.1

NOAA 1991–2020 climate normals from the nearest station: DEER PARK AP (18.6 mi) · NOAA NCEI

Places in ZIP 99173

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