Humboldt
Source:
California
Humboldt is a mid-size county in California with 35 ZIP codes, 134,681 people, and below-median household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Humboldt, CA sits among US counties with a below-median household income, on a mid-size county population base, across a multi-ZIP patchwork.
- 34th pct
- household income vs 3,210 US counties
- 134,681
- combined ZIP population
- 35
- USPS ZIP codes covered
- $61,067
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Humboldt lands in the national county income distribution as below-median household income on mid-size county footing (FIPS 06023, 35 ZIPs, combined population 134,681). Sort the ZIP table by population before treating the county mean as uniform.
Below-median income across 35 ZIPs means the county average is a compromise. Sort by population, save the largest urban ZIP and one sparse code, then compare - that pair usually shows whether density or income is doing the work inside Humboldt.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
35
Total ZIPs
134,681
Total Population
ZIP Codes in Humboldt
Side-by-side: Compare 95503 vs 95501 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 95503 | Eureka | 24,152 | 108 |
| 95501 | Eureka | 23,976 | 1,315 |
| 95521 | Arcata | 20,199 | 145 |
| 95519 | Mckinleyville | 17,432 | 119 |
| 95540 | Fortuna | 13,657 | 190 |
| 95546 | Hoopa | 3,494 | 10 |
| 95562 | Rio Dell | 3,450 | 54 |
| 95536 | Ferndale | 2,849 | 8 |
| 95570 | Trinidad | 2,579 | 42 |
| 95542 | Garberville | 2,533 | 5 |
| 95524 | Bayside | 1,787 | 66 |
| 95573 | Willow Creek | 1,744 | 6 |
| 95551 | Loleta | 1,739 | 16 |
| 95525 | Blue Lake | 1,733 | 8 |
| 95560 | Redway | 1,648 | 19 |
| 95589 | Whitethorn | 1,612 | 3 |
| 95547 | Hydesville | 1,222 | 63 |
| 95528 | Carlotta | 1,139 | 4 |
| 95565 | Scotia | 1,071 | 12 |
| 95553 | Miranda | 1,062 | 7 |
| 95549 | Kneeland | 805 | 3 |
| 95556 | Orleans | 605 | 2 |
| 95554 | Myers Flat | 533 | 4 |
| 95564 | Samoa | 462 | 54 |
| 95558 | Petrolia | 425 | 1 |
| 95555 | Orick | 410 | 2 |
| 95526 | Bridgeville | 378 | 1 |
| 95569 | Redcrest | 361 | 2 |
| 95511 | Alderpoint | 360 | 2 |
| 95537 | Fields Landing | 276 | 598 |
| 95571 | Weott | 271 | 139 |
| 95514 | Blocksburg | 254 | 1 |
| 95559 | Phillipsville | 182 | 4 |
| 95545 | Honeydew | 153 | 1 |
| 95550 | Korbel | 128 | 0 |
Frequently Asked Questions
What is the population of Humboldt?
Humboldt has a total population of 134,681 across 35 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Humboldt?
Humboldt includes 35 ZIP codes: 95503, 95501, 95521, 95519, 95540, 95546, 95562, 95536, 95570, 95542, and more.