Zip Code 99157 — Northport, WA
99157 is a ZIP Code associated with Northport, WA, located within Stevens. 99157 ranks #12 out of 17 ZIP codes in Stevens County by population (and #464 out of 605 in WA). The area supports an estimated population of 605 residents across Data Pending housing units, with a population density of 3.6 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (48.930070, -117.817530)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 99157 |
| Primary City | Northport |
| State / Province | WA |
| County | Stevens |
| Total Population | 605 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 3.6 people/sq mi |
| Timezone | America/Los_Angeles |
How 99157 Compares
| Metric | ZIP 99157 | Stevens County | WA State Average |
|---|
| Population | 605 | 34,289 (Total) | 7,816,021 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 3.6 /sq mi | -- | -- |
| County Pop Rank | #12 of 17 | -- | -- |
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 →