Seward, AK ZIP code
The ZIP code for Seward, Alaska is 99664. It is in Kenai Peninsula Borough.
- Population in these ZIPs
- 4,698
- Avg. median income
- $87,800population-weighted
- Typical home value
- $396,600population-weighted
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Seward, AK ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 99664 | 4,698 | $87,760 | $396,600 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Seward
- Cooper Landing 31 mi
- Moose Pass 32 mi
- Clam Gulch 39 mi
- Hope 51 mi
- Sterling 53 mi
- Soldotna 54 mi
- Indian 61 mi
- Girdwood 61 mi
- Kasilof 62 mi
- Kenai 64 mi
- Ninilchik 70 mi
- Whittier 70 mi
Frequently asked questions
What is the ZIP code for Seward, AK?
The ZIP code for Seward, AK is 99664.
What county is Seward, Alaska in?
Seward ZIP codes are in Kenai Peninsula Borough.