Wahkiakum County, WA ZIP Codes
4 ZIP codes cover all or part of Wahkiakum County, Washington: 98612, 98643, 98647 and 98621. The Census Bureau counts 4,658 residents in the county, with a median household income of $62,653 and a median home value of $396,800. Its largest communities include Puget Island, East Cathlamet, Cathlamet, Rosburg and Skamokawa Valley.
Wahkiakum County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 4,658 |
| Households | 2,100 |
| Median household income | $62,653 |
| Median home value | $396,800 |
| Median age | 54.5 |
| Median rent | $853 |
All 4 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 4,484 |
| Households (sum of ZIP codes) | 1,989 |
| Median household income, range across ZIP codes | $59,583 (98612) to $59,583 (98612) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $59,583 |
| Homeowners | 83.2% |
| Households with kids under 18 | 24.5% |
| Moved in the past year | 5.1% |
| Carrier routes in EDDM2GO's route library | 6 routes, 1,719 homes (4 of 4 ZIP codes) |
Every ZIP code in Wahkiakum County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 98612 | Cathlamet | 3,366 | 1,519 | $59,583 | $429,600 | 81.7% | 25.5% | 5.6% | 3 | 1,370 | 100% of its land |
| 98643 | Rosburg | 571 | 221 | — | $237,100 | 85.1% | 40.7% | 6.5% | 1 | 161 | 100% of its land |
| 98647 | Skamokawa | 352 | 151 | — | $259,200 | 92.1% | 6.0% | 0.0% | 1 | 137 | 100% of its land |
| 98621 | Grays River | 195 | 98 | $91,250 | — | 88.8% | 0.0% | 2.1% | 1 | 96 | 42% of its land |
A ZIP code is listed for Wahkiakum County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Puget Island — 1,008 residents · 1 ZIP code
- East Cathlamet — 934 residents · 1 ZIP code
- Cathlamet — 616 residents · 1 ZIP code
- Rosburg — 528 residents · 1 ZIP code
- Skamokawa Valley — 352 residents · 2 ZIP codes
- Lower Elochoman — 271 residents · 1 ZIP code
- Upper Elochoman — 49 residents · 1 ZIP code
- Altoona — 43 residents · 1 ZIP code
Price a mailing to Wahkiakum County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Wahkiakum County, WA?
- 98612, 98643, 98647 and 98621. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Wahkiakum County?
- 4,658 residents in 2,100 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Wahkiakum County?
- $62,653 for the county as a whole. Its ZIP codes range from $59,583 (98612) to $59,583 (98612).
- How many carrier routes and mailboxes are in Wahkiakum County?
- For the 4 of 4 ZIP codes in EDDM2GO's stored route library: 6 carrier routes reaching 1,719 residential and 45 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.