Zip Code 98566 — Neilton, WA
98566 is a ZIP Code associated with Neilton, WA, located within Grays Harbor. 98566 ranks #12 out of 20 ZIP codes in Grays Harbor County by population (and #524 out of 605 in WA). The area supports an estimated population of 299 residents across Data Pending housing units, with a population density of 4.1 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (47.396160, -123.959760)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 98566 |
| Primary City | Neilton |
| State / Province | WA |
| County | Grays Harbor |
| Total Population | 299 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 4.1 people/sq mi |
| Timezone | America/Los_Angeles |
How 98566 Compares
| Metric | ZIP 98566 | Grays Harbor County | WA State Average |
|---|
| Population | 299 | 78,494 (Total) | 7,816,021 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 4.1 /sq mi | -- | -- |
| County Pop Rank | #12 of 20 | -- | -- |
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 →