Eureka, California
Eureka is a city in Humboldt County, California, with an estimated population of 25,734 in 2023. It sits at 40.7976, -124.1542 in the America/Los_Angeles time zone.
| Field | Value |
|---|---|
| Place name | Eureka |
| Type | city |
| State | California (CA) |
| County | Humboldt County |
| Population (2023 est.) | 25,734 |
| Land area | 9.57 sq mi (24.78 km²) |
| Coordinates | 40.7976, -124.1542 |
| Time zone | America/Los_Angeles |
| ZIP codes | 95501, 95502, 95503 |
| Telephone area codes | 707 |
ZIP codes and area codes for Eureka
Eureka covers 3 ZIP codes: 95501, 95502, 95503. Telephone area codes serving the area: 707. Browse all ZIP codes in California for the full list.
Where is Eureka?
Eureka is located in California, in Humboldt County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Arcata 10 km · CABlue Lake 16 km · CAFortuna 23 km · CAFerndale 26 km · CATrinidad 29 km · CARio Dell 34 km · CA
Other places in Humboldt County
Frequently asked questions
What county is Eureka, CA in?
Eureka is in Humboldt County, California.
What is the population of Eureka, CA?
The 2023 Census Bureau estimate is 25,734.
What time zone is Eureka in?
Eureka is in the America/Los_Angeles time zone.