ZIP code
95521
Arcata, CA
95521 covers Arcata in Humboldt County, with 21,684 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 95521. Methodology
ZIP code map of 95521

About ZIP code 95521
Acceptable cities: Mc Kinleyville, Mckinleyville
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 95521. Not ACS. Methodology
People in 95521
Race
- White15,440
- Black or African American549
- American Indian or Alaska Native630
- Asian524
- Native Hawaiian and Pacific Islander49
- Other race1,725
- Two or more races2,664
Hispanic or Latino (any race): 3,984
Age
- Under 101,556
- 10 to 192,782
- 20 to 296,521
- 30 to 392,954
- 40 to 492,185
- 50 to 591,737
- 60 to 692,047
- 70 to 791,323
- 80 and older476
Income and housing in 95521
Education
- High school graduate94.7%
- Bachelor's degree45.0%
- Graduate degree17.0%
Places covering 95521
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Humboldt County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
10.5% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 95521
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 11,788 | |
| 2006 | 11,076 | |
| 2007 | 12,144 | |
| 2008 | 11,407 | |
| 2009 | 11,412 | |
| 2010 | 11,132 | |
| 2011 | 20,055 | 10,969 |
| 2012 | 20,108 | 11,040 |
| 2013 | 20,319 | 11,180 |
| 2014 | 20,769 | 11,500 |
| 2015 | 20,930 | 11,660 |
| 2016 | 20,911 | 11,550 |
| 2017 | 21,311 | 11,880 |
| 2018 | 21,462 | 12,070 |
| 2019 | 21,068 | 12,660 |
| 2020 | 21,193 | 13,250 |
| 2021 | 22,259 | 12,990 |
| 2022 | 21,712 | 12,710 |
| 2023 | 21,684 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 95521
12 nearest ZIP centroids (any distance)
- 95524Bayside1.6 miPop 1,770 · Income $82,697
- 95501Eureka5.9 miPop 22,972 · Income $55,076
- 95503Eureka8.0 miPop 24,442 · Income $76,708
- 95519Mckinleyville8.3 miPop 18,792 · Income $66,687
- 95564Samoa9.1 miPop 477 · Income $69,250
- 95550Korbel11.8 miPop 206 · Income $101,167
- 95537Fields Landing12.1 miPop 512 · Income $76,116
- 95525Blue Lake13.8 miPop 1,443 · Income $65,250
- 95549Kneeland14.2 miPop 1,090 · Income $89,583
- 95551Loleta15.2 miPop 1,870 · Income $73,472
- 95570Trinidad18.8 miPop 2,480 · Income $72,143
- 95547Hydesville19.0 miPop 1,144 · Income $85,179
ZIP centroids within 2 miles
| ZIP | City | State | Distance (miles) | ACS population | Median income |
|---|---|---|---|---|---|
| 95524 | Bayside | CA | 1.6 mi | 1,770 | $82,697 |
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 95521 FAQ
- What city is ZIP code 95521 in?
- 95521 is in Arcata, CA.
- What county is 95521 in?
- 95521 is in Humboldt County.
- What is the median household income in 95521?
- The median household income in 95521 is $54,324.
- Which ZIP codes are near 95521?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 95521.