Zip Code 99359 — Starbuck, WA
99359 is a ZIP Code associated with Starbuck, WA, located within Columbia. 99359 ranks #2 out of 2 ZIP codes in Columbia County by population (and #572 out of 605 in WA). The area supports an estimated population of 94 residents across Data Pending housing units, with a population density of 0.9 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (46.533250, -118.156970)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 99359 |
| Primary City | Starbuck |
| State / Province | WA |
| County | Columbia |
| Total Population | 94 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 0.9 people/sq mi |
| Timezone | America/Los_Angeles |
How 99359 Compares
| Metric | ZIP 99359 | Columbia County | WA State Average |
|---|
| Population | 94 | 3,740 (Total) | 7,816,021 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 0.9 /sq mi | -- | -- |
| County Pop Rank | #2 of 2 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →