ZIP code · Ephrata · Washington · United States
ZIP code 98823 — Ephrata
ZIP code 98823 serves Ephrata, Washington.
- Postal code
- 98823Single source Value from one source, not cross-checked.
- City
- Ephrata
- County
- Grant FIPS 53025
- State
- Washington
- Country
- United States
- Coordinates
- 47.2771, -119.5336 — precision precise (locality)
View on OpenStreetMap - Population
- 12,661 (ZCTA, ACS 5-year)
- Population density
- 42 / sq mi
- Land area
- 298.2 sq mi (772.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $77,361
- Per-capita income
- $30,232
- Median age
- 32.4
- Households
- 4,417
- Housing units
- 4,646
- Median home value
- $256,400
- Median gross rent
- $956 / month
- Congressional district
- WA-4 (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
- 509Telephone 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 98823 with another ZIP · ZIPs within 25 miles · distance from 98823
Map of ZIP code 98823
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 43 | 54 | 63 | 73 | 80 | 89 | 88 | 79 | 62 | 46 | 36 |
| Avg low °F | 24 | 27 | 32 | 39 | 48 | 54 | 61 | 59 | 51 | 39 | 30 | 24 |
| Precip in | 0.9 | 0.6 | 0.7 | 0.6 | 0.8 | 0.7 | 0.3 | 0.2 | 0.2 | 0.7 | 0.9 | 1.1 |
NOAA 1991–2020 climate normals from the nearest station: EPHRATA MUNI AP (2.3 mi) · NOAA NCEI
Places in ZIP 98823
- 7 schools
- 2 hospitals & clinics
- 2 doctors & dentists
- 5 supermarkets
- 20 restaurants & cafés
- 8 parks
- 11 playgrounds
- 3 gyms & sports centres
- 1 libraries
- 1 post offices
- 11 places of worship
- 4 banks
- 8 gas stations
- 3 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