Arcata, CA Profile: Facts, Map & Data


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Arcata, California - Basic Facts

The City of Arcata had a population of 18,268 as of July 1, 2018.

The primary coordinate point for Arcata is located at latitude 40.8623 and longitude -124.075 in Humboldt County. The formal boundaries for the City of Arcata (see map below) encompass a land area of 9.09 sq. miles and a water area of 1.9 sq. miles. Humboldt County is in the Pacific time zone (GMT -8). The elevation is 23 feet.

The City of Arcata (GNIS ID: 2409723) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Arcata is located within Arcata CCD of Humboldt County.

Beneath the boundary map are tables with Arcata population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2018.

Alternate Unofficial Names for Arcata: Goad-La-Nah, Kori, Union, Union Town, Uniontown.

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City of Arcata, CA Boundary Map

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Boundary Maps: Arcata CCD | Humboldt County | California Counties

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Arcata, CA Data & Demographics (As of July 1, 2018)


Total Population 18,268
Population in Households 16,335
Population in Familes 7,838
Population in Group Qrtrs 1,933
Population Density2 2,009
Diversity Index3 53


Median Household Income $30,251
Average Household Income $49,494
Per Capita Income $21,480


Total Housing Units 8,006 (100%)
Owner Occupied HU 2,719 (34.0%)
Renter Occupied HU 4,968 (62.1%)
Vacant Housing Units 319 ( 4.0%)
Median Home Value $355,118
Average Home Value $374,218


Total Households 7,687
Average Household Size 2.13
Family Households 2,808
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood 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.


2010-2017 2017-2022
Population 0.71% 0.62%
Households 0.49% 0.59%
Families 0.82% 0.64%
Median Household Income   0.49%
Per Capita Income   0.81%

Arcata, CA - Peer Comparisons by Rank and Percentile

The table below compares Arcata to the other 1,516 incorporated cities, towns and CDPs in California by rank and percentile using July 1, 2018 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 # 364 76th
Population Density # 603 60th
Diversity Index # 958 37th
Median Household Income # 1446 5th
Per Capita Income # 1144 25th

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

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