Demographics & People — Arcata, California

Population Overview

Population (Census)18,578
Estimated 2026~18,700
Median Age28.1
Total Households7,660
Family Households2,945
Average Household Size2.21
Diversity Index0.3528 (somewhat diverse)

Race & Ethnicity

White13,733
Black or African American447
Asian412
Hispanic or Latino2,862

Heritage & Ancestry

GroupCount
Other groups5,696
Unclassified or not reported3,810
Hispanic: Hispanic or Latino2,964
German2,249
Irish2,062
Hispanic: Mexican1,992
English1,639
Italian1,604
Portuguese964
Northern European782

Language

English Only15,561
Spanish1,535
Population 5+18,150

Veterans

Veterans543
Population 18+16,221

Commuting

Mean Commute Time17.8 minutes
Work from Home15.4%
Commuter ProfileN/A
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Arcata, California.