Mattawa, WA ZIP Codes
One ZIP code serves Mattawa, Washington: 99349. Together they are home to 8,143 residents in 2,388 households. That is more than the 3,616 people counted inside Mattawa city limits, because these ZIP codes reach past its boundary.
Mattawa city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 3,616 |
| Households | 935 |
| Median household income | $38,388 |
| Median home value | not published |
| Median age | 21.7 |
| Median rent | $1,128 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 8,143 |
| Households (sum of ZIP codes) | 2,388 |
| Median household income, range across ZIP codes | $61,333 (99349) to $61,333 (99349) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $61,333 |
| Homeowners | 54.3% |
| Households with kids under 18 | 53.5% |
| Moved in the past year | 9.0% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Mattawa
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 99349 | Mattawa | 8,143 | 2,388 | $61,333 | $427,800 | 54.3% | 53.5% | 9.0% | — | — | 0% of its land; mailing city |
A ZIP code is listed for Mattawa when at least 10% of its land lies inside Mattawa city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Mattawa. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Mattawa.
Counties
- Grant County — 18 ZIP codes
Price a mailing to Mattawa ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Mattawa, WA?
- 99349. A ZIP code is listed for Mattawa when at least 10% of its land lies inside Mattawa city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Mattawa.
- What is the population of Mattawa, WA?
- The Census Bureau counts 3,616 residents inside Mattawa city limits (ACS 2020–2024). The 1 ZIP code that serve Mattawa hold 8,143 residents in all.
- What is the median household income in Mattawa, WA?
- $38,388 inside Mattawa city limits, per the Census Bureau. Across its ZIP codes the medians run from $61,333 to $61,333.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.