ZIP code · Issaquah · Washington · United States
ZIP code 98029 — Issaquah
ZIP code 98029 serves Issaquah, Washington.
- Postal code
- 98029Single source Value from one source, not cross-checked.
- City
- Issaquah
- County
- King FIPS 53033
- State
- Washington
- Country
- United States
- Coordinates
- 47.5585, -122.0055 — precision precise (locality)
View on OpenStreetMap - Population
- 30,930 (ZCTA, ACS 5-year)
- Population density
- 3,040 / sq mi
- Land area
- 10.2 sq mi (26.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $164,058
- Per-capita income
- $90,176
- Median age
- 36.8
- Households
- 12,193
- Housing units
- 12,667
- Median home value
- $964,400
- Median gross rent
- $2,625 / month
- Congressional district
- WA-8 (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
- 425Telephone 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 98029 with another ZIP · ZIPs within 25 miles · distance from 98029
Map of ZIP code 98029
Climate — monthly normals
Warmest month Aug (avg high 77°F), coldest Feb (avg low 35°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 46 | 50 | 54 | 59 | 64 | 69 | 76 | 77 | 70 | 60 | 51 | 46 |
| Avg low °F | 36 | 35 | 37 | 40 | 46 | 51 | 54 | 54 | 49 | 44 | 38 | 36 |
| Precip in | 8.6 | 5.8 | 6.7 | 5.3 | 4.0 | 3.1 | 1.2 | 1.2 | 3.0 | 6.2 | 9.5 | 8.4 |
NOAA 1991–2020 climate normals from the nearest station: SNOQUALMIE FALLS (8.0 mi) · NOAA NCEI
Places in ZIP 98029
- 13 schools
- 4 hospitals & clinics
- 12 doctors & dentists
- 3 pharmacies
- 2 supermarkets
- 37 restaurants & cafés
- 1 bars & pubs
- 99 parks
- 50 playgrounds
- 11 gyms & sports centres
- 2 post offices
- 5 places of worship
- 4 banks
- 3 gas stations
- 5 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