ZIP code · Ariel · Washington · United States
ZIP code 98603 — Ariel
ZIP code 98603 serves Ariel, Washington.
- Postal code
- 98603Single source Value from one source, not cross-checked.
- City
- Ariel
- County
- Cowlitz FIPS 53015
- State
- Washington
- Country
- United States
- Coordinates
- 45.9952, -122.4677 — precision precise (locality)
View on OpenStreetMap - Population
- 1,192 (ZCTA, ACS 5-year)
- Population density
- 10 / sq mi
- Land area
- 114.7 sq mi (297.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $77,188
- Per-capita income
- $27,838
- Median age
- 41.5
- Households
- 396
- Housing units
- 646
- Median home value
- $368,800
- Median gross rent
- $585 / month
- Congressional district
- WA-3 (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 98603 with another ZIP · ZIPs within 25 miles · distance from 98603
Map of ZIP code 98603
Climate — monthly normals
Warmest month Aug (avg high 82°F), coldest Dec (avg low 34°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 45 | 49 | 54 | 59 | 68 | 73 | 81 | 82 | 75 | 63 | 51 | 44 |
| Avg low °F | 34 | 35 | 37 | 40 | 46 | 50 | 54 | 54 | 51 | 45 | 39 | 34 |
| Precip in | 17.7 | 12.0 | 13.2 | 9.7 | 5.2 | 3.8 | 0.9 | 1.4 | 4.3 | 10.6 | 17.8 | 18.8 |
NOAA 1991–2020 climate normals from the nearest station: COUGAR 6 E (13.5 mi) · NOAA NCEI
Places in ZIP 98603
- 1 schools
- 4 parks
- 2 playgrounds
- 1 libraries
- 1 post offices
- 1 places of worship
- 2 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