Eureka ZIP Codes

List of Zip Codes of Eureka

The following table lists ZIP Codes associated with Eureka, California, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.

S.N.	Zip Code	Latitude	Longitude	County	Population	Density
1	95501	40.80435	-124.14034	Humboldt	22,972	1209.0
2	95503	40.72406	-124.09178	Humboldt	24,442	112.7

About Eureka California Zip Codes

The city of Eureka in California (CA) is served by approximately 2 ZIP Codes. These codes cover residential neighborhoods, business districts, and surrounding localities that use the city name in their mailing address.

Based on ZIP-level population estimates, the combined population covered by these ZIP Codes is around 47,414 people. Population density can vary significantly from one ZIP Code to another, reflecting the mix of dense urban blocks, commercial corridors, and lower-density residential areas.

The ZIP Codes associated with Eureka fall within county jurisdictions such as Humboldt. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for Eureka, California follow the America/Los_Angeles time zone.

Eureka ZIP Codes

List of Zip Codes of Eureka

About Eureka California Zip Codes

California Cities ZIP Codes

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