Hamilton, WA ZIP Codes
2 ZIP codes serve Hamilton, Washington: 98284 and 98255. Together they are home to 28,033 residents in 10,872 households. That is more than the 252 people counted inside Hamilton town limits, because these ZIP codes reach past its boundary.
Hamilton town limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 252 |
| Households | 130 |
| Median household income | $67,500 |
| Median home value | $237,000 |
| Median age | 46.1 |
| Median rent | not published |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 28,033 |
| Households (sum of ZIP codes) | 10,872 |
| Median household income, range across ZIP codes | $93,006 (98284) to $93,006 (98284) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $93,006 |
| Homeowners | 73.1% |
| Households with kids under 18 | 31.7% |
| Moved in the past year | 12.8% |
| Carrier routes in EDDM2GO's route library | 16 routes, 10,670 homes (1 of 2 ZIP codes) |
Every ZIP code in Hamilton
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 98284 | Sedro Woolley | 27,835 | 10,773 | $93,006 | $482,500 | 73.0% | 31.8% | 12.8% | 16 | 11,029 | 0% of its land |
| 98255 | Hamilton | 198 | 99 | $68,194 | $217,500 | 84.8% | 22.2% | 15.2% | — | — | 98% of its land; mailing city |
A ZIP code is listed for Hamilton when at least 10% of its land lies inside Hamilton town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Hamilton. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Hamilton.
Counties
- Skagit County — 13 ZIP codes
Nearby cities sharing these ZIP codes
- Sedro-Woolley — 1 ZIP code
Price a mailing to Hamilton ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Hamilton, WA?
- 98284 and 98255. A ZIP code is listed for Hamilton when at least 10% of its land lies inside Hamilton town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Hamilton.
- What is the population of Hamilton, WA?
- The Census Bureau counts 252 residents inside Hamilton town limits (ACS 2020–2024). The 2 ZIP codes that serve Hamilton hold 28,033 residents in all.
- What is the median household income in Hamilton, WA?
- $67,500 inside Hamilton town limits, per the Census Bureau. Across its ZIP codes the medians run from $93,006 to $93,006.
- How many carrier routes and mailboxes are in Hamilton, WA?
- For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 16 carrier routes reaching 10,670 residential and 371 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.