Oso, WA ZIP Codes
One ZIP code serves Oso, Washington: 98223. Together they are home to 46,497 residents in 17,063 households. That is more than the 245 people counted inside Oso Census-designated place, because these ZIP codes reach past its boundary.
Oso Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 245 |
| Households | 63 |
| Median household income | $140,486 |
| Median home value | $741,100 |
| Median age | 40.2 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 46,497 |
| Households (sum of ZIP codes) | 17,063 |
| Median household income, range across ZIP codes | $99,681 (98223) to $99,681 (98223) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $99,681 |
| Homeowners | 77.6% |
| Households with kids under 18 | 32.2% |
| Moved in the past year | 13.4% |
| Carrier routes in EDDM2GO's route library | 29 routes, 18,260 homes (1 of 1 ZIP codes) |
Every ZIP code in Oso
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 98223 | Arlington | 46,497 | 17,063 | $99,681 | $601,400 | 77.6% | 32.2% | 13.4% | 29 | 19,251 | 1% of its land |
A ZIP code is listed for Oso when at least 10% of its land lies inside the Oso Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Oso. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Oso.
Counties
- Snohomish County — 29 ZIP codes
Nearby cities sharing these ZIP codes
- Arlington — 1 ZIP code
- Lake Goodwin — 3 ZIP codes
Price a mailing to Oso ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Oso, WA?
- 98223. A ZIP code is listed for Oso when at least 10% of its land lies inside the Oso Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Oso.
- What is the population of Oso, WA?
- The Census Bureau counts 245 residents inside Oso Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Oso hold 46,497 residents in all.
- What is the median household income in Oso, WA?
- $140,486 inside Oso Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $99,681 to $99,681.
- How many carrier routes and mailboxes are in Oso, WA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 29 carrier routes reaching 18,260 residential and 984 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.