ZIP code · Waitsburg · Washington · United States
ZIP code 99361 — Waitsburg
ZIP code 99361 serves Waitsburg, Washington.
- Postal code
- 99361Single source Value from one source, not cross-checked.
- City
- Waitsburg
- County
- Walla Walla FIPS 53071
- State
- Washington
- Country
- United States
- Coordinates
- 46.2691, -118.1447 — precision precise (locality)
View on OpenStreetMap - Population
- 1,800 (ZCTA, ACS 5-year)
- Population density
- 8 / sq mi
- Land area
- 223.2 sq mi (578 km²) (ZCTA, ACS 5-year)
- Median household income
- $91,742
- Per-capita income
- $43,539
- Median age
- 40.2
- Households
- 790
- Housing units
- 908
- Median home value
- $290,500
- Median gross rent
- $1,038 / month
- Congressional district
- WA-5 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °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 99361 with another ZIP · ZIPs within 25 miles · distance from 99361
Map of ZIP code 99361
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 26°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 46 | 54 | 61 | 70 | 77 | 88 | 87 | 77 | 63 | 49 | 41 |
| Avg low °F | 26 | 28 | 33 | 38 | 45 | 50 | 55 | 54 | 47 | 38 | 31 | 27 |
| Precip in | 2.1 | 1.7 | 2.2 | 1.9 | 1.8 | 1.2 | 0.4 | 0.5 | 0.7 | 1.5 | 2.4 | 2.3 |
NOAA 1991–2020 climate normals from the nearest station: DAYTON 1 WSW (7.5 mi) · NOAA NCEI
Places in ZIP 99361
- 4 schools
- 1 hospitals & clinics
- 1 supermarkets
- 3 restaurants & cafés
- 3 parks
- 2 playgrounds
- 1 libraries
- 1 post offices
- 3 places of worship
- 2 gas 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