Humboldt County, California ZIP Codes
- ZIP records
35 - Cities represented
34 - Sum of listed ZIP population estimates
134,809
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 95503 | Eureka | 25,054 |
| 2 | 95501 | Eureka | 22,890 |
| 3 | 95521 | Arcata | 21,980 |
| 4 | 95519 | Mckinleyville | 18,728 |
| 5 | 95540 | Fortuna | 14,469 |
| 6 | 95562 | Rio Dell | 3,422 |
| 7 | 95536 | Ferndale | 3,050 |
| 8 | 95570 | Trinidad | 2,640 |
| 9 | 95542 | Garberville | 2,463 |
| 10 | 95546 | Hoopa | 2,397 |
Cities in Humboldt County
- Alderpoint
- Arcata
- Bayside
- Blocksburg
- Blue Lake
- Bridgeville
- Carlotta
- Eureka
- Ferndale
- Fields Landing
- Fortuna
- Garberville
- Honeydew
- Hoopa
- Hydesville
- Kneeland
- Korbel
- Loleta
- Mckinleyville
- Miranda
- Myers Flat
- Orick
- Orleans
- Petrolia
- Phillipsville
- Redcrest
- Redway
- Rio Dell
- Samoa
- Scotia
- Trinidad
- Weott
- Whitethorn
- Willow Creek
ZIP Directory
- ZIP 95501
- ZIP 95503
- ZIP 95511
- ZIP 95514
- ZIP 95519
- ZIP 95521
- ZIP 95524
- ZIP 95525
- ZIP 95526
- ZIP 95528
- ZIP 95536
- ZIP 95537
- ZIP 95540
- ZIP 95542
- ZIP 95545
- ZIP 95546
- ZIP 95547
- ZIP 95549
- ZIP 95550
- ZIP 95551
- ZIP 95553
- ZIP 95554
- ZIP 95555
- ZIP 95556
- ZIP 95558
- ZIP 95559
- ZIP 95560
- ZIP 95562
- ZIP 95564
- ZIP 95565
- ZIP 95569
- ZIP 95570
- ZIP 95571
- ZIP 95573
- ZIP 95589
Browse all ZIP data for California
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.