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County ProfileCA

Humboldt County

Population: 136,463 · 38 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
136,463
People
Median age
39.9
Housing
Total households
54,922
Income
Median household income
$61,160
Housing
Total housing units
62,883
Employment
Employment rate
51.5%
Education
Bachelor’s degree or higher
33.1%
Healthcare
Insured population
95.1%
County details
Local time 23:14:11(PT)
NameHumboldt
Total ZIP codes38total
ZIP codes (by type)
29 Standard9 PO Box
Area code369, 530, 707
TimezonePacific Time (PT)
Coordinates40.7066554, -123.9261757
Land area3,568 sq miles(9,241.1 km²)

Map of Humboldt county, California with ZIP codes

Map of Humboldt County, California and ZIP codes

Cities and Communities in Humboldt County

Compare the largest cities in Humboldt County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Eureka26,512$57,6623ZIPs
Arcata18,857$46,7132ZIPs
Mckinleyville16,262$73,3271ZIPs
Fortuna12,516$62,2891ZIPs
Rio Dell3,379$42,7531ZIPs
Cutten3,223$97,2251ZIPs
Hoopa3,167$64,6431ZIPs
Willow Creek1,720$47,1371ZIPs
Bayside1,6911ZIPs
Whitethorn1,6481ZIPs
Ferndale1,398$63,1421ZIPs
Redway1,247$23,7201ZIPs
Hydesville1,244$96,8271ZIPs
Blue Lake1,208$53,5941ZIPs
Carlotta9961ZIPs
Kneeland8981ZIPs
Loleta828$40,0861ZIPs
Garberville818$39,5421ZIPs
Scotia681$51,2501ZIPs
Orleans6501ZIPs
Petrolia5481ZIPs
Bridgeville5201ZIPs
Miranda441$39,3901ZIPs
Orick328$38,7501ZIPs
Trinidad307$105,8331ZIPs
Fields Landing287$78,6861ZIPs
Samoa229$57,5001ZIPs
Blocksburg2281ZIPs
Weott2191ZIPs
Honeydew1701ZIPs
Korbel1511ZIPs
Alderpoint1371ZIPs
Phillipsville1241ZIPs
Myers Flat901ZIPs
Redcrest611ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Humboldt County

Review the most populated postal areas across Humboldt County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
95503Eureka$71,85524,488
95501Eureka$54,13723,323
95521Arcata$53,11421,581
95519Mckinleyville$73,28018,421
95540Fortuna$63,69514,055
95546Hoopa$61,6073,641
95562Rio Dell$42,9753,475
95536Ferndale$73,3752,753
95570Trinidad$74,7772,543
95542Garberville$46,1042,519
95551Loleta$64,5191,871
95573Willow Creek$47,2581,750
95525Blue Lake$57,3791,701
95524Bayside$87,5001,691
95589Whitethorn$43,0401,648
95560Redway$23,7201,548
95547Hydesville$96,8271,270
95553Miranda$41,4501,054
95528Carlotta$55,481996
95549Kneeland$95,179898

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS