Eureka is located in California. Eureka, California has population of 27,887. Eureka is less family-centric than the surrounding county with 21% of the households with children.
The median household income in Eureka, California is $43,030. The median household income for the surrounding county is $48,406 compared to the national median of $61,963. The median age of people living in Eureka is 38.5 years.
The average high temperature in July is 63.3 degrees, with an average low temperature in January of 40.8 degrees. The annual precipitation is 38.1.