Sammamish, WA ZIP Codes
3 ZIP codes serve Sammamish, Washington: 98074, 98029 and 98075. Together they are home to 86,845 residents in 30,545 households. That is more than the 66,463 people counted inside Sammamish city limits, because these ZIP codes reach past its boundary. Median household income ranges from $170,759 in 98029 to $250,000+ in 98075.
Sammamish city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 66,463 |
| Households | 22,144 |
| Median household income | $239,690 |
| Median home value | $1,407,300 |
| Median age | 39.9 |
| Median rent | $2,857 |
All 3 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 86,845 |
| Households (sum of ZIP codes) | 30,545 |
| Median household income, range across ZIP codes | $170,759 (98029) to $250,000+ (98075) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $216,675 |
| Homeowners | 76.2% |
| Households with kids under 18 | 46.6% |
| Moved in the past year | 10.8% |
| Carrier routes in EDDM2GO's route library | 45 routes, 31,744 homes (3 of 3 ZIP codes) |
Top facts
- Highest median household income in Sammamish: 98075 ($250,000+)
- Most residents: 98074 (30,761 people)
- Highest homeownership: 98075 (87.3% own their home)
- Most households with kids: 98074 (52.3% of households)
- Most new movers: 98029 (14.6% moved in last year)
- Youngest median age: 98029 (37.2 years)
- Highest median home value: 98075 ($1,599,100)
Every ZIP code in Sammamish
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 98074 | Sammamish | 30,761 | 10,272 | $244,362 | $1,366,900 | 83.7% | 52.3% | 7.5% | 15 | 10,595 | 86% of its land; mailing city |
| 98029 | Issaquah | 30,586 | 12,115 | $170,759 | $1,063,200 | 62.3% | 38.2% | 14.6% | 16 | 12,900 | 19% of its land |
| 98075 | Sammamish | 25,498 | 8,158 | $250,000+ | $1,599,100 | 87.3% | 51.9% | 10.3% | 14 | 8,701 | 98% of its land; mailing city |
A ZIP code is listed for Sammamish when at least 10% of its land lies inside Sammamish city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Sammamish. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Sammamish.
Counties
- King County — 88 ZIP codes
Nearby cities sharing these ZIP codes
- Issaquah — 2 ZIP codes
Price a mailing to Sammamish ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Sammamish, WA?
- 98074, 98029 and 98075. A ZIP code is listed for Sammamish when at least 10% of its land lies inside Sammamish city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Sammamish.
- What is the population of Sammamish, WA?
- The Census Bureau counts 66,463 residents inside Sammamish city limits (ACS 2020–2024). The 3 ZIP codes that serve Sammamish hold 86,845 residents in all.
- What is the median household income in Sammamish, WA?
- $239,690 inside Sammamish city limits, per the Census Bureau. Across its ZIP codes the medians run from $170,759 to $250,000+.
- Which Sammamish ZIP code has the highest median household income?
- 98075, at $250,000+, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Sammamish, WA?
- For the 3 of 3 ZIP codes in EDDM2GO's stored route library: 45 carrier routes reaching 31,744 residential and 451 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.