Zip Code 98237 — Concrete, WA
98237 is a ZIP Code associated with Concrete, WA, located within Skagit. 98237 ranks #6 out of 13 ZIP codes in Skagit County by population (and #293 out of 605 in WA). The area supports an estimated population of 4,956 residents across Data Pending housing units, with a population density of 4.6 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (48.532720, -121.697480)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 98237 |
| Primary City | Concrete |
| State / Province | WA |
| County | Skagit |
| Total Population | 4,956 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 4.6 people/sq mi |
| Timezone | America/Los_Angeles |
How 98237 Compares
| Metric | ZIP 98237 | Skagit County | WA State Average |
|---|
| Population | 4,956 | 132,684 (Total) | 7,816,021 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 4.6 /sq mi | -- | -- |
| County Pop Rank | #6 of 13 | -- | -- |
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 →