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> Washington > Zip Code 98237
| Zip Code : | 98237 |
| City : | Concrete town |
| County : | Skagit County, Whatcom County |
| State : | Washington (WA) |
| Land Area : | 319.58 sq mi |
| Water Area : | 14.09 sq mi |
| Latitude : | 48.5662717 |
| Longitude : | -121.6892246 |
| Population (2010): | 4,025 |
| Population Estimate (2012) : | 4,052 |
| Population Density : | 12.59/sq mi |
| Housing Units (2012) : | 2,329 |
| Median Household Income (2012) : | $45,513 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $59,167 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $165,700 (Washington : $272,900, USA : $181,400) |