Arcata, CA 95521 ZIP Code Profile

Related Place Profiles:
Arcata, CA | Manila, CA | McKinleyville, CA

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ZIP Code 95521: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Arcata, CA 95521

Acceptable Alternative
Mc Kinleyville, CA 95521
McKinleyville, CA 95521

Not Acceptable, USPS
Manila, CA 95521

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 851
  • Single Family Addresses: 7,430
  • Multi-Family Addresses: 1,469
  • County: Humboldt County
  • Centroid: Latitude 40.929, Longitude -124.06
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


95521 ZIP Code Map

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Arcata, CA 95521 Data & Demographics (As of July 1, 2016)


Total Population 21,301
Population in Households 19,354
Population in Familes 9,683
Population in Group Qrtrs 1,947
Population Density1 389
Diversity Index2 50


Total Households 9,000
Average Household Size 2.15
Family Households 3,520
Average Family Size 3


Total Housing Units 9,454 (100%)
Owner Occupied HU 3,203 (33.9%)
Renter Occupied HU 5,797 (61.3%)
Vacant Housing Units 454 ( 4.8%)
Median Home Value $317,221
Average Home Value $347,526


Median Household Income $32,082
Average Household Income $49,682
Per Capita Income $21,705
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.78% 0.53%
Households 0.57% 0.47%
Families 0.62% 0.5%
Median Household Income   1.8%
Per Capita Income   1.56%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Arcata, CA 95521 - Peer Comparisons by Rank and Percentile

The table below compares 95521 to the other 1,756 ZIP Codes in California by rank and percentile using July 1, 2016 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 785 55th
Population Density1 # 989 44th
Diversity Index2 # 1274 27th
Median Household Income # 1621 8th
Per Capita Income # 1278 27th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.