Eureka Flag

Eureka

County:
Humboldt County
County Seat:
Yes
Area (mi²):
9.567
State:
California

Eureka is a city located in Humboldt County, California. Eureka has a 2025 population of 25,226. It is also the county seat of Humboldt County. Eureka is currently declining at a rate of -1% annually and its population has decreased by -4.79% since the most recent census, which recorded a population of 26,496 in 2020.

The average household income in Eureka is $87,772 with a poverty rate of 17.55%.The median age in Eureka is 38.9 years: 39.1 years for males, and 38.7 years for females.

25.2K
Total Population
2,637
Density (mi²)
-254 -1%
Growth

Eureka Population

Eureka Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Eureka includes 70.3% White, 6.35% other race, 5.74% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White18,48970.3%
Two or more races3,39512.91%
Other race1,6696.35%
Asian1,5105.74%
Black or African American6082.31%
Native American4551.73%
Native Hawaiian or Pacific Islander1760.67%

Eureka Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Eureka's average per capita income is $40,340. Household income levels show a median of $60,253. The poverty rate stands at 17.55%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$106,657-
Families$85,735$115,167
Households$60,253$87,772
Non Families$37,772$56,303

$40,340

Average Income

$60,253

Median Household Income

17.55%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)