Kelso, WA ZIP Codes
2 ZIP codes serve Kelso, Washington: 98632 and 98626. Together they are home to 77,527 residents in 30,955 households. That is more than the 12,684 people counted inside Kelso city limits, because these ZIP codes reach past its boundary. Median household income ranges from $66,305 in 98632 to $75,528 in 98626.
Kelso city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 12,684 |
| Households | 5,435 |
| Median household income | $66,751 |
| Median home value | $337,600 |
| Median age | 39.9 |
| Median rent | $1,220 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 77,527 |
| Households (sum of ZIP codes) | 30,955 |
| Median household income, range across ZIP codes | $66,305 (98632) to $75,528 (98626) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $69,386 |
| Homeowners | 63.4% |
| Households with kids under 18 | 28.9% |
| Moved in the past year | 12.9% |
| Carrier routes in EDDM2GO's route library | 46 routes, 32,386 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Kelso: 98626 ($75,528)
- Most residents: 98632 (50,635 people)
- Highest homeownership: 98626 (68.5% own their home)
- Most households with kids: 98626 (32.3% of households)
- Most new movers: 98632 (13.5% moved in last year)
- Youngest median age: 98632 (40.3 years)
- Highest median home value: 98632 ($379,200)
Every ZIP code in Kelso
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 98632 | Longview | 50,635 | 20,613 | $66,305 | $379,200 | 60.8% | 27.2% | 13.5% | 31 | 22,991 | 1% of its land |
| 98626 | Kelso | 26,892 | 10,342 | $75,528 | $368,900 | 68.5% | 32.3% | 11.8% | 15 | 10,987 | 5% of its land; mailing city |
A ZIP code is listed for Kelso when at least 10% of its land lies inside Kelso city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Kelso. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Kelso.
Counties
- Cowlitz County — 10 ZIP codes
Nearby cities sharing these ZIP codes
- Longview — 1 ZIP code
Price a mailing to Kelso ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Kelso, WA?
- 98632 and 98626. A ZIP code is listed for Kelso when at least 10% of its land lies inside Kelso city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Kelso.
- What is the population of Kelso, WA?
- The Census Bureau counts 12,684 residents inside Kelso city limits (ACS 2020–2024). The 2 ZIP codes that serve Kelso hold 77,527 residents in all.
- What is the median household income in Kelso, WA?
- $66,751 inside Kelso city limits, per the Census Bureau. Across its ZIP codes the medians run from $66,305 to $75,528.
- Which Kelso ZIP code has the highest median household income?
- 98626, at $75,528, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Kelso, WA?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 46 carrier routes reaching 32,386 residential and 1,592 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.