ZIP code · Lilliwaup · Washington · United States
ZIP code 98555 — Lilliwaup
ZIP code 98555 serves Lilliwaup, Washington.
- Postal code
- 98555Single source Value from one source, not cross-checked.
- City
- Lilliwaup
- County
- Mason FIPS 53045
- State
- Washington
- Country
- United States
- Coordinates
- 47.5128, -123.0631 — precision precise (locality)
View on OpenStreetMap - Population
- 213 (ZCTA, ACS 5-year)
- Population density
- 8 / sq mi
- Land area
- 26.5 sq mi (68.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $61,696
- Per-capita income
- $58,110
- Median age
- 69.5
- Households
- 152
- Housing units
- 858
- Congressional district
- WA-6 (119th Congress)
- USDA hardiness zone
- 8b (15 to 20 °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
- 360 (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.
Tools: compare 98555 with another ZIP · ZIPs within 25 miles · distance from 98555
Map of ZIP code 98555
Climate — monthly normals
Warmest month Jul (avg high 76°F), coldest Feb (avg low 35°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 45 | 48 | 53 | 58 | 65 | 70 | 76 | 76 | 69 | 58 | 50 | 44 |
| Avg low °F | 36 | 35 | 37 | 40 | 46 | 50 | 54 | 54 | 50 | 44 | 39 | 35 |
| Precip in | 15.5 | 9.2 | 9.9 | 6.1 | 3.0 | 1.9 | 0.9 | 1.4 | 3.0 | 9.1 | 15.7 | 16.2 |
NOAA 1991–2020 climate normals from the nearest station: CUSHMAN POWERHOUSE #2 (10.8 mi) · NOAA NCEI
Places in ZIP 98555
- 1 schools
- 1 restaurants & cafés
- 1 bars & pubs
- 1 post offices
- 1 police & fire stations
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