ZIP code · Seattle · Washington · United States
ZIP code 98109 — Seattle
ZIP code 98109 serves Seattle, Washington.
- Postal code
- 98109Single source Value from one source, not cross-checked.
- City
- Seattle
- County
- King FIPS 53033
- State
- Washington
- Country
- United States
- Coordinates
- 47.6339, -122.3476 — precision precise (locality)
View on OpenStreetMap - Population
- 32,552 (ZCTA, ACS 5-year)
- Population density
- 16,828 / sq mi
- Land area
- 1.9 sq mi (5 km²) (ZCTA, ACS 5-year)
- Median household income
- $130,845
- Per-capita income
- $114,316
- Median age
- 32.1
- Households
- 20,583
- Housing units
- 23,162
- Median home value
- $986,000
- Median gross rent
- $2,329 / month
- Congressional district
- WA-7 (119th Congress)
- USDA hardiness zone
- 9a (20 to 25 °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
- 206Telephone 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 98109 with another ZIP · ZIPs within 25 miles · distance from 98109
Map of ZIP code 98109
Climate — monthly normals
Warmest month Aug (avg high 77°F), coldest Feb (avg low 37°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 47 | 50 | 54 | 59 | 65 | 70 | 77 | 77 | 71 | 61 | 52 | 47 |
| Avg low °F | 37 | 37 | 39 | 43 | 48 | 53 | 57 | 57 | 53 | 47 | 41 | 37 |
| Precip in | 5.1 | 3.5 | 3.9 | 3.0 | 2.2 | 1.6 | 0.8 | 1.0 | 1.7 | 3.6 | 5.8 | 5.5 |
NOAA 1991–2020 climate normals from the nearest station: SEATTLE SAND PT WSFO (5.7 mi) · NOAA NCEI
Places in ZIP 98109
- 12 schools
- 3 colleges & universities
- 12 hospitals & clinics
- 20 doctors & dentists
- 3 pharmacies
- 5 supermarkets
- 177 restaurants & cafés
- 28 bars & pubs
- 22 parks
- 15 playgrounds
- 32 gyms & sports centres
- 2 post offices
- 11 places of worship
- 15 banks
- 5 gas stations
- 3 EV charging stations
- 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