Marietta-Alderwood, WA ZIP Codes
2 ZIP codes serve Marietta-Alderwood, Washington: 98225 and 98226. Together they are home to 96,998 residents in 42,660 households. That is more than the 3,754 people counted inside Marietta-Alderwood Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $63,941 in 98225 to $79,375 in 98226.
Marietta-Alderwood Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 3,754 |
| Households | 1,638 |
| Median household income | $76,019 |
| Median home value | $547,100 |
| Median age | 38.3 |
| Median rent | $1,496 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 96,998 |
| Households (sum of ZIP codes) | 42,660 |
| Median household income, range across ZIP codes | $63,941 (98225) to $79,375 (98226) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $71,194 |
| Homeowners | 50.7% |
| Households with kids under 18 | 20.1% |
| Moved in the past year | 21.6% |
| Carrier routes in EDDM2GO's route library | 70 routes, 44,162 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Marietta-Alderwood: 98226 ($79,375)
- Most residents: 98225 (50,216 people)
- Highest homeownership: 98226 (62.4% own their home)
- Most households with kids: 98226 (24.9% of households)
- Most new movers: 98225 (28.1% moved in last year)
- Youngest median age: 98225 (31.8 years)
- Highest median home value: 98225 ($631,200)
Every ZIP code in Marietta-Alderwood
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 98225 | Bellingham | 50,216 | 22,612 | $63,941 | $631,200 | 40.3% | 15.8% | 28.1% | 37 | 25,441 | 23% of its land |
| 98226 | Bellingham | 46,782 | 20,048 | $79,375 | $607,600 | 62.4% | 24.9% | 14.7% | 33 | 22,798 | 2% of its land |
A ZIP code is listed for Marietta-Alderwood when at least 10% of its land lies inside the Marietta-Alderwood Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Marietta-Alderwood. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Marietta-Alderwood.
Counties
- Whatcom County — 17 ZIP codes
Nearby cities sharing these ZIP codes
- Bellingham — 3 ZIP codes
Price a mailing to Marietta-Alderwood ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Marietta-Alderwood, WA?
- 98225 and 98226. A ZIP code is listed for Marietta-Alderwood when at least 10% of its land lies inside the Marietta-Alderwood Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Marietta-Alderwood.
- What is the population of Marietta-Alderwood, WA?
- The Census Bureau counts 3,754 residents inside Marietta-Alderwood Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Marietta-Alderwood hold 96,998 residents in all.
- What is the median household income in Marietta-Alderwood, WA?
- $76,019 inside Marietta-Alderwood Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $63,941 to $79,375.
- Which Marietta-Alderwood ZIP code has the highest median household income?
- 98226, at $79,375, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Marietta-Alderwood, WA?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 70 carrier routes reaching 44,162 residential and 4,072 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.