Elk Plain, WA ZIP Codes
2 ZIP codes serve Elk Plain, Washington: 98387 and 98338. Together they are home to 83,461 residents in 27,640 households. That is more than the 14,276 people counted inside Elk Plain Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $106,872 in 98387 to $114,819 in 98338.
Elk Plain Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 14,276 |
| Households | 4,810 |
| Median household income | $107,313 |
| Median home value | $473,500 |
| Median age | 38 |
| Median rent | $2,172 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 83,461 |
| Households (sum of ZIP codes) | 27,640 |
| Median household income, range across ZIP codes | $106,872 (98387) to $114,819 (98338) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $110,004 |
| Homeowners | 80.2% |
| Households with kids under 18 | 39.4% |
| Moved in the past year | 11.6% |
| Carrier routes in EDDM2GO's route library | 37 routes, 28,374 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Elk Plain: 98338 ($114,819)
- Most residents: 98387 (50,774 people)
- Highest homeownership: 98338 (84.5% own their home)
- Most households with kids: 98338 (41.4% of households)
- Most new movers: 98338 (11.7% moved in last year)
- Youngest median age: 98387 (34.3 years)
- Highest median home value: 98338 ($509,600)
Every ZIP code in Elk Plain
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 98387 | Spanaway | 50,774 | 16,746 | $106,872 | $461,000 | 77.4% | 38.1% | 11.6% | 22 | 17,869 | 21% of its land |
| 98338 | Graham | 32,687 | 10,894 | $114,819 | $509,600 | 84.5% | 41.4% | 11.7% | 15 | 10,967 | 5% of its land |
A ZIP code is listed for Elk Plain when at least 10% of its land lies inside the Elk Plain Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Elk Plain. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Elk Plain.
Counties
- Pierce County — 59 ZIP codes
Nearby cities sharing these ZIP codes
- Spanaway — 2 ZIP codes
- Frederickson — 3 ZIP codes
- Graham — 1 ZIP code
Price a mailing to Elk Plain ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Elk Plain, WA?
- 98387 and 98338. A ZIP code is listed for Elk Plain when at least 10% of its land lies inside the Elk Plain Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Elk Plain.
- What is the population of Elk Plain, WA?
- The Census Bureau counts 14,276 residents inside Elk Plain Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Elk Plain hold 83,461 residents in all.
- What is the median household income in Elk Plain, WA?
- $107,313 inside Elk Plain Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $106,872 to $114,819.
- Which Elk Plain ZIP code has the highest median household income?
- 98338, at $114,819, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Elk Plain, WA?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 37 carrier routes reaching 28,374 residential and 461 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.