Arcata, CA · standard
ZIP Code 95521
Humboldt County, California — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 20,199
- 145/sq mi
- $53,114
- Median income
- $501,000
- Median home value
- 46.4%
- Bachelor's or higher
The verdict
Arcata pairs one of the lowest household incomes in the country with upper-quartile home values, in a rural, mixed-tenure area.
- 18th pct
- household income, US ZIPs
- Top 13%
- home value, US ZIPs
- 145
- people per sq mi
- 40%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 95521 against every reporting US ZIP.
ZIP code 95521 is classified by USPS as a standard delivery area and covers roughly 139.0 square miles in Arcata, Humboldt County, California. The area is home to 20,199 residents, producing a population density of 145 people per square mile, and falls within the Los Angeles time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 95521 against California and the nation.
On the economic side, the median household income for ZIP 95521 sits at $53,114 (48% below the California average), while per-capita income is $33,368. The poverty rate stands at 24.4% and the unemployment rate at 11.0%. On housing, the median home value is $501,000 (35% below the state average) with median rent at $1,336 per month, and 40.2% of occupied units are owner-occupied, a direct signal of whether 95521 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 46.4% of adults hold a bachelor's degree or higher, the median age is 29.2, and the average commute is 18 minutes. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Humboldt County, so you can benchmark 95521 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 95521
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 95521.
- Retail trade
Retail trade
101 establishments
- Accommodation and food services
Accommodation and food services
101 establishments
- Health care and social assistance
Health care and social assistance
69 establishments
- Other services (except public administration)
Other services (except public administration)
62 establishments
- Manufacturing
Manufacturing
45 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 95521, Arcata, CA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
20,199
Population
139.0
Area (sq mi)
145
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 95521?
29.2
Median Age
48.9%
Male
51.1%
Female
4.8%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$53,114
Median Household Income
-48% vs state
$33,368
Per Capita Income
24.4%
Poverty Rate
11.0%
Unemployment Rate
17.9 min
Mean Commute Time
How ZIP 95521 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$53,114 18th percentile higher than 18% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
10,198
Total Housing Units
9,225
Occupied Units
973
Vacant Units
2.19
Avg Household Size
Occupancy Type
$501,000
Median Home Value
-35% vs state
$1,336
Median Rent
1975
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+6.4%
YoY Change (2024)
357
HPI Index (2000 = 100)
+257%
Total Change Since 2000
Home values in ZIP 95521 have increased 6.4% over the past year (2024). Since 2000, this ZIP has seen +257% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.6% | 239 |
| 2021 | +10.8% | 265 |
| 2022 | +21.1% | 320 |
| 2023 | +4.7% | 335 |
| 2024 | +6.4% | 357 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 613 business establishments in ZIP 95521, employing approximately 7,881 people with a combined annual payroll of $352,279,000.
613
Businesses
7,881
Employees
$352.3M
Annual Payroll
17
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 101 | 16.5% |
| Accommodation and food services | 101 | 16.5% |
| Health care and social assistance | 69 | 11.3% |
| Other services (except public administration) | 62 | 10.1% |
| Manufacturing | 45 | 7.3% |
| Construction | 44 | 7.2% |
| Professional, scientific, and technical services | 44 | 7.2% |
| Real estate and rental and leasing | 30 | 4.9% |
| Administrative and support and waste management and remediation services | 24 | 3.9% |
| Wholesale trade | 23 | 3.8% |
| Finance and insurance | 17 | 2.8% |
| Arts, entertainment, and recreation | 15 | 2.5% |
| Transportation and warehousing | 12 | 2.0% |
| Educational services | 8 | 1.3% |
| Management of companies and enterprises | 7 | 1.1% |
| Agriculture, forestry, fishing and hunting | 5 | 0.8% |
| Information | 5 | 0.8% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 95521 vs 95524 →
ZIP 95521 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 95503
Eureka (95503)
24,152 residents
- 95501
Eureka (95501)
23,976 residents
- 95521
Arcata (95521)
20,199 residents
- 95519
Mckinleyville (95519)
17,432 residents
- 95524 1,787
Bayside (95524)
1,787 residents
- 95564 462
Samoa (95564)
462 residents
What this shows Among its immediate neighbors, ZIP 95521 ranks #3 by population — useful context the national average alone can't give.
ZIP 95521 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 95524
Bayside (95524)
$87,500 median income
- 95564
Samoa (95564)
$78,750 median income
- 95519
Mckinleyville (95519)
$73,280 median income
- 95503
Eureka (95503)
$71,855 median income
- 95501
Eureka (95501)
$54,137 median income
- 95521
Arcata (95521)
$53,114 median income
What this shows By household income, ZIP 95521 ranks #6 of 6 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Humboldt County
Related Areas
Frequently Asked Questions
What county is ZIP code 95521 in? ▼
What is the population of ZIP code 95521? ▼
What is the median household income in ZIP 95521? ▼
What is the average home value in ZIP 95521? ▼
What is the demographic makeup of ZIP 95521? ▼
How many businesses are in ZIP code 95521? ▼
What are the main industries in ZIP code 95521? ▼
How have home values changed in ZIP code 95521? ▼
What is the education level in ZIP code 95521? ▼
What is the average commute time in ZIP 95521? ▼
What percentage of residents own vs. rent in ZIP 95521? ▼
What is the poverty rate in ZIP code 95521? ▼
ZIP Code Research Guides
Official Data Resources for Arcata, CA
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.