| Place Name | Eureka |
| Place Type | City |
| ZIP Code(s) | 95501 95503 |
| County | Humboldt County |
| Area Code(s) | 707 |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2022) | 27,037 |
| Population Growth Rate (2010-19) | -2.50% |
| Majority Ethnicity | White 72.91% |
| Metro/Micro Stats Area | Eureka-Arcata, CA |
| US Congressional District(s) | California 2nd |
| State Assembly Districts | 2 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 72.91% |
| African American | 2.53% |
| Hispanic | 1.86% |
| Asian | 5.78% |
| Native American | 0.22% |
| Hawaiin/Pacific Islander | 16.69% |