Eureka, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Eureka, California is 26,302 as of the 2023 American Community Survey, making it the 288th-largest city in California. The median household income is $60,253, the median home value is $375,800, and the median age is 38.9.
The population has declined 6.6% since 2010 (27,201 → 25,412).
26,302
Population
2749
People / sq mi
$60,253
Median Income
$375,800
Median Home Value
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Eureka covers 9.6 sq mi of land at 2749 people per square mile.
About Eureka, CA
Homeownership is the standout figure in Eureka: 48.0% of homes are owner-occupied, lower than the national rate. Eureka is a city in California with a population of 26,302.
Incomes run on the lower side: a median household income of $60,253, below the US median of $78,538. About 8.8% of residents live below the federal poverty level, below the national 12.4%. Median home value is $375,800, with typical rent around $1,157.
Roughly 31.3% of adults have a bachelor’s, below the national 35.0%. Remote work is below the national 14.0% at 10.0%, and the average commute runs about 17 minutes each way.
Eureka city Population History (2010-2024)
The city of Eureka city had a population of 27,201 in 2010 and 25,412 in 2024, a -6.6% growth over 14 years. The peak was 27,201 in 2010. Average annual growth rate: -0.48%.
25,412
Population (2024)
27,201
Population (2010)
27,201
Peak (2010)
-0.48%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 27,201 |
| 2011 | 27,161 |
| 2012 | 26,931 |
| 2013 | 26,895 |
| 2014 | 26,874 |
| 2015 | 26,902 |
| 2016 | 27,153 |
| 2017 | 27,126 |
| 2018 | 26,968 |
| 2019 | 26,710 |
| 2020 | 26,471 |
| 2021 | 26,338 |
| 2022 | 26,072 |
| 2023 | 25,735 |
| 2024 | 25,412 |
Race & Ethnicity
| White | 70.3% |
| Black or African American | 2.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 6.8% |
| Two or More Races | 0.0% |
Economy & Income
$60,253
Median Household Income
$37,226
Per Capita Income
8.8%
Poverty Rate
4.8%
Unemployment Rate
Housing
$375,800
Median Home Value
$1,157
Median Rent
48.0%
Owner-Occupied
Education
90.3%
High School+
31.3%
Bachelor's+
Commute
1.2%
Drive Alone
67.0%
Public Transit
10.0%
Work From Home
16.5 min
Avg Commute
Community Profile
23.5%
Foreign Born
87.2%
Non-English at Home
6.0%
Veterans
20.9%
With Disability
92.3%
Health Insurance
95.7%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 26.4% |
| Education, Health Care & Social Services | 13.6% |
| Public Administration | 9.5% |
| Finance, Insurance & Real Estate | 8.3% |
| Construction | 7.1% |
| Arts, Entertainment & Food Services | 5.6% |
| Manufacturing | 4.4% |
| Agriculture & Mining | 4.0% |
| Retail Trade | 3.4% |
| Information | 2.9% |
| Transportation & Warehousing | 1.2% |
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Frequently Asked Questions
Eureka, California has a population of 26,302 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 288th-largest city in California.
The median household income in Eureka, California is $60,253, with 8.8% of residents living below the federal poverty level.
The median home value in Eureka, California is $375,800, with median monthly rent at $1,157 and a homeownership rate of 48.0%.
The median age in Eureka, California is 38.9 years. The population is 50.1% male and 49.9% female.
The population has declined 6.6% since 2010 (27,201 → 25,412).
Eureka city, CA Climate
Eureka city, CA has an average annual temperature of 12°C (54°F) and receives about 1079 mm of precipitation per year. The warmest month is August and the coldest is December. Figures are 1970–2000 climate normals.
12°C
Avg Temp
1079
Precip (mm/yr)
Aug
Hottest Month
Dec
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 9° / 47° | 170 mm |
| February | 9° / 49° | 150 mm |
| March | 10° / 50° | 151 mm |
| April | 11° / 52° | 77 mm |
| May | 13° / 55° | 41 mm |
| June | 14° / 58° | 16 mm |
| July | 15° / 60° | 4 mm |
| August | 16° / 60° | 12 mm |
| September | 15° / 59° | 26 mm |
| October | 13° / 56° | 75 mm |
| November | 11° / 51° | 174 mm |
| December | 9° / 47° | 183 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Eureka city, CA
The most comfortable months to visit Eureka city, CA are typically August, July and September, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 21°C high). The coldest is December (near 4°C low). December is usually the wettest month.
Where to stay near Eureka
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.