Nikiski, AK ZIP Codes
2 ZIP codes serve Nikiski, Alaska: 99611 and 99635. Together they are home to 16,610 residents in 5,964 households. That is more than the 4,773 people counted inside Nikiski Census-designated place, because these ZIP codes reach past its boundary.
Nikiski Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 4,773 |
| Households | 1,577 |
| Median household income | $65,863 |
| Median home value | $312,600 |
| Median age | 36.5 |
| Median rent | $996 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 16,610 |
| Households (sum of ZIP codes) | 5,964 |
| Median household income, range across ZIP codes | $79,757 (99611) to $79,757 (99611) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $79,757 |
| Homeowners | 75.7% |
| Households with kids under 18 | 35.8% |
| Moved in the past year | 12.4% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Every ZIP code in Nikiski
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 99611 | Kenai | 16,510 | 5,964 | $79,757 | $308,500 | 75.7% | 35.8% | 12.2% | — | — | 13% of its land |
| 99635 | Nikiski | 100 | 0 | — | — | — | — | 44.0% | — | — | mailing city |
A ZIP code is listed for Nikiski when at least 10% of its land lies inside the Nikiski Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Nikiski. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Nikiski.
Counties
- Kenai Peninsula County — 15 ZIP codes
Nearby cities sharing these ZIP codes
- Kalifornsky — 3 ZIP codes
- Kenai — 1 ZIP code
Price a mailing to Nikiski ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Nikiski, AK?
- 99611 and 99635. A ZIP code is listed for Nikiski when at least 10% of its land lies inside the Nikiski Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Nikiski.
- What is the population of Nikiski, AK?
- The Census Bureau counts 4,773 residents inside Nikiski Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Nikiski hold 16,610 residents in all.
- What is the median household income in Nikiski, AK?
- $65,863 inside Nikiski Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $79,757 to $79,757.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.