Eureka
Latest: 2024
Safe Democratic — shifted 4.4pp toward Republicans in 2024 — 162K residents — 2 counties
Race & ancestry
| Group | % |
|---|---|
▶White (Non-Hispanic)(13) | 67.9% |
▶Hispanic / Latino(18) | 15.1% |
▶Black / African American(11) | 1.7% |
▶Asian(6) | 3.1% |
▶Middle Eastern / North African(9) | 0.3% |
▶Native American / Alaska Native(8) | 4.2% |
▶Native Hawaiian / Pacific Islander(5) | 0.3% |
Multiracial / Other | 7.5% |
Religious adherence
| Tradition | % Pop | % Adherents |
|---|---|---|
| Evangelical Protestant | 6.0% | 32.4% |
| Catholic | 5.9% | 31.4% |
| Other | 5.0% | 27.0% |
| LDS (Mormon) | 2.4% | 12.9% |
| Mainline Protestant | 1.6% | 8.5% |
| Non-religious | 81.4% | — |
Presidential results
| Year | Result |
|---|---|
| 2024 | Harris+22.1 |
| 2020 | Biden+26.4 |
| 2016 | Clinton+18.9 |
| 2012 | Obama+22.3 |
| 2008 | Obama+23.6 |
| 2004 | Kerry+14.4 |
| 2000 | Gore+0.3 |
| 1996 | Clinton+7.4 |
| 1992 | Clinton+16.0 |
Similarity Explorer
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Constituent Geography
Counties in Eureka
2024 presidential results across the counties that make up this geography.
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Race & Ancestry
Who Lives Here
A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
| Group | Eureka | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 67.9% | 57.4% |
▶Hispanic / Latino(18) | 15.1% | 19.3% |
Multiracial / Other | 7.5% | 4.0% |
▶Native American / Alaska Native(8) | 4.2% | 0.9% |
▶Asian(6) | 3.1% | 6.0% |
▶Black / African American(11) | 1.7% | 12.2% |
▶Native Hawaiian / Pacific Islander(5) | 0.3% | 0.2% |
▶Middle Eastern / North African(9) | 0.3% | 0.9% |
Method notes
Religious Adherents
Population that are religious adherents:
18.6%
| Tradition | % Pop | % Adherents | US Pop | US Adherents |
|---|---|---|---|---|
| 6.0% | 32.4% | — | — | |
| 5.9% | 31.4% | — | — | |
| 5.0% | 27.0% | — | — | |
LDS (Mormon) | 2.4% | 12.9% | — | — |
| 1.6% | 8.5% | — | — | |
Non-religiousPopulation | 81.4% | — | — | — |
Who lives in the Eureka media market? 161,648 residents across 2 counties.
Demographic Comparison
Demographics
Read this geography's profile in three layers: local, state (where available), and national baseline.
Population & electorate
Scale, voting-age share, and this geography's footprint inside the national electorate.
Total population
162K
Share of U.S. population
0.05%
Voting-age population
76.9%
Economic profile
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Median household income
$62,031
Poverty rate
17.7%
College degree
31.2%
Homeownership
58.5%
Community profile
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Median age
39.9 yrs
Age 18–29
17.7%
Age 65+
19.9%
Foreign born
6.3%
Non-English at home
11.4%
English only
88.6%
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