ZIP Code Tabulation Area · California

ZIP Code 95521: Humboldt County, CA

ZIP Code 95521 (Humboldt County, California) has an estimated 21,980 residents in 9,225 households. The median household income is $53,114, the median home value is $501,000 and the median gross rent is $1,336/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

21,980

Margin of error ±626

Median household income

$53,114

Margin of error ±$8,395

Median home value

$501,000

Margin of error ±$35,226

Median gross rent

$1,336/mo

Margin of error ±$64

Median age

29.2 yrs

Margin of error ±1.6 yrs

Mean travel time to work

17.9 min

Margin of error ±2.8 min

How ZIP 95521 compares with California and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 9552129.2 yrsCalifornia37.9 yrsUnited States38.9 yrs

Median household income

ZIP 95521$53,114California$99,122United States$80,734

Per capita income

ZIP 95521$33,368California$49,513United States$44,673

Poverty rate

ZIP 9552124.4%California12.0%United States12.5%

Unemployment rate

ZIP 9552111.0%California6.6%United States5.2%

Bachelor's degree or higher

ZIP 9552146.4%California37.1%United States35.7%

Median home value

ZIP 95521$501,000California$734,700United States$332,700

Median gross rent

ZIP 95521$1,336/moCalifornia$2,036/moUnited States$1,413/mo

Owner-occupied homes

ZIP 9552140.2%California55.9%United States65.2%

Mean travel time to work

ZIP 9552117.9 minCalifornia28.7 minUnited States26.4 min

Worked from home

ZIP 9552114.5%California17.2%United States15.1%

All figures for ZIP 95521

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 95521 — ACS 2020–2024 5-year estimates
MeasureZIP 95521Margin of errorCaliforniaUnited States
Total population21,980±62639,287,377334,922,499
Median age29.2 yrs±1.6 yrs37.9 yrs38.9 yrs
Households9,225±48813,548,091129,227,496
Median household income$53,114±$8,395$99,122$80,734
Per capita income$33,368±$2,538$49,513$44,673
Poverty rate24.4%±3.7 pts12.0%12.5%
Unemployment rate11.0%±2.6 pts6.6%5.2%
Bachelor's degree or higher46.4%±3.1 pts37.1%35.7%
Median home value$501,000±$35,226$734,700$332,700
Median gross rent$1,336/mo±$64$2,036/mo$1,413/mo
Owner-occupied homes40.2%±4.0 pts55.9%65.2%
Mean travel time to work17.9 min±2.8 min28.7 min26.4 min
Worked from home14.5%±2.9 pts17.2%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 95521
GroupZIP 95521CaliforniaUnited States
White alone, not Hispanic or Latino71.2%33.8%57.4%
Black or African American alone, not Hispanic or Latino2.5%5.2%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.8%0.3%0.5%
Asian alone, not Hispanic or Latino1.2%15.3%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.1%0.3%0.2%
Some other race alone, not Hispanic or Latino1.2%0.6%0.6%
Two or more races, not Hispanic or Latino7.5%4.4%4.3%
Hispanic or Latino (of any race)15.4%40.2%19.3%

Where ZIP 95521 is

State
California
Main county
Humboldt County
Largest overlapping place
Arcata (15% of the ZIP's land area)
Land area
60.38 sq mi· about 364 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Humboldt County

95501 Eureka, CA95503 Humboldt County, CA95514 Humboldt County, CA95519 McKinleyville, CA95524 Humboldt County, CA95525 Humboldt County, CA95526 Humboldt County, CA95528 Humboldt County, CA95536 Humboldt County, CA95537 Fields Landing, CA95540 Humboldt County, CA95542 Humboldt County, CA95545 Humboldt County, CA95546 Hoopa, CA95547 Hydesville, CA95549 Humboldt County, CA95550 Humboldt County, CA95551 Humboldt County, CA95553 Humboldt County, CA95554 Humboldt County, CA95555 Humboldt County, CA95556 Humboldt County, CA95558 Humboldt County, CA95559 Humboldt County, CA

See every ZIP code in California, or compare ZIP 95521 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.