Eureka, CA ZIP codes
Eureka, California has 3 ZIP codes, including 1 PO Box ZIP. They are in Humboldt County.
- Population in these ZIPs
- 47,944
- Avg. median income
- $63,400population-weighted
- Typical home value
- $397,700population-weighted
- Metro area
- Eureka-Arcata, CA
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Eureka, CA ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 95501 | Humboldt County | 22,890 | $54,137 | $376,300 |
| 95502 PO Box | Humboldt County | — | — | — |
| 95503 | Humboldt County | 25,054 | $71,855 | $417,200 |
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 Eureka
- Samoa 3 mi
- Fields Landing 5 mi
- Bayside 6 mi
- Arcata 7 mi
- Loleta 9 mi
- Mckinleyville 14 mi
- Kneeland 14 mi
- Fortuna 15 mi
- Hydesville 15 mi
- Korbel 16 mi
- Ferndale 20 mi
- Blue Lake 21 mi
Frequently asked questions
What county is Eureka, California in?
Eureka ZIP codes are in Humboldt County.
Which Eureka ZIP codes are PO Boxes?
95502 is a PO Box or single-organization ZIP code; it has no residential delivery area.