ZIP code · Rockford · Washington · United States

ZIP code 99030 — Rockford

ZIP code 99030 serves Rockford, Washington.

Postal code
99030
Single source Value from one source, not cross-checked.
City
Rockford
County
Spokane FIPS 53063
State
Washington
Country
United States
Coordinates
47.4528, -117.1318 — precision precise (locality)
View on OpenStreetMap
Population
616 (ZCTA, ACS 5-year)
Population density
8 / sq mi
Land area
72.6 sq mi (188 km²) (ZCTA, ACS 5-year)
Median household income
$77,125
Per-capita income
$43,297
Median age
54.1
Households
257
Housing units
337
Median home value
$283,700
Median gross rent
$867 / 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 Aug (avg high 83°F), coldest Dec (avg low 23°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F374047556570818373574335
Avg low °F242529344145525144363023
Precip in3.82.63.62.32.51.90.70.71.02.53.53.4

NOAA 1991–2020 climate normals from the nearest station: PLUMMER 3 WSW (12.9 mi) · NOAA NCEI

Places in ZIP 99030

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