Akashic
1892–2024
Akashic
Eureka
presidential margin
2008D+23.62012D+22.32016D+18.92020D+26.22024D+22.1
full record · 18922024
D+22.1
2024
median income$62,149U.S. $80,734 · CA $99,122
median age39.9U.S. 39.1 · CA 37.9
poverty rate17.7%U.S. 12.5% · CA 12.0%
bachelor’s+ (25+)31.1%U.S. 35.6% · CA 36.6%
non-english11.4%U.S. 22.3% · CA 44.4%
race · ethnicity · ancestry
German13.6%
English12.8%
Irish11.6%
Mexican11.8%
Spanish0.6%
Puerto Rican0.6%
Hmong1.1%
Chinese0.5%
Filipino0.4%
African American1.3%
religion
other traditions
Mainline1.5%
Other Christian1.4%
Hindu0.7%
Other faiths0.3%
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents, unaffiliated is the unclaimed remainder.

Eureka, California

Akashic
EurekaHarrisD+22.1
2024 presidential margin by county for Eureka, CAA map of the constituent counties of Eureka, CA, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Del Norte County, CA · R+16.4Humboldt County, CA · D+28.4
How it voted
Share of the 2024 vote
Kamala HarrisDemocratic58.9%44,066
Donald TrumpRepublican36.8%27,558
Robert F. Kennedy Jr.American Independent4.2%3,168
D+60
R+60
2 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
County-level results (2 counties) — table
2024 presidential result by county for Eureka, CA — winner and D-vs-R margin.
CountyWinnerMargin
Del Norte County, CARepublicanR+16.4
Humboldt County, CADemocraticD+28.4
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
58.9%Harris44,066
36.8%Trump27,558
4.2%Kennedy3,168
+22.1%
74,792
D
61.1%Biden49,445
34.9%Trump28,231
4.0%Jorgensen3,201
+26.2%
80,877
D
52.7%Clinton36,685
33.8%Trump23,507
13.5%Johnson9,380
+18.9%
69,572
D
57.6%Obama38,248
35.3%Romney23,439
7.2%Johnson4,769
+22.3%
66,456
D
59.9%Obama44,015
36.3%McCain26,680
3.8%Nader2,804
+23.6%
73,499
D
55.6%Kerry41,880
41.3%Bush31,070
3.1%Badnarik2,357
+14.4%
75,307
D
43.5%Gore27,968
43.2%Bush27,745
13.3%Nader8,553
+0.3%
64,266
D
43.7%Clinton28,280
36.3%Dole23,473
19.9%Perot12,893
+7.4%
64,646
D
46.8%Clinton32,493
30.8%Bush21,382
22.3%Perot15,499
+16.0%
69,374
D
56.0%Dukakis33,368
42.2%Bush25,174
1.8%Paul1,072
+13.7%
59,614
R
46.0%Mondale27,913
52.4%Reagan31,828
1.6%Bergland991
−6.4%
60,732
R
34.9%Carter19,451
50.4%Reagan28,063
14.7%Anderson8,165
−15.5%
55,679
D
53.8%Carter26,289
42.0%Ford20,515
4.2%Macbride2,046
+11.8%
48,850
R
45.3%McGovern23,288
49.2%Nixon25,272
5.5%Schmitz2,851
−3.9%
51,411
R
45.2%Humphrey18,712
46.2%Nixon19,106
8.6%Wallace3,564
−1.0%
41,382
D
65.9%Johnson29,167
33.9%Goldwater14,984
0.2%Hass75
+32.1%
44,226
D
52.5%Kennedy23,616
46.9%Nixon21,098
0.6%Byrd271
+5.6%
44,985
R
47.0%Stevenson19,577
52.7%Eisenhower21,937
0.4%Andrews150
−5.7%
41,664
R
39.0%Stevenson14,068
60.1%Eisenhower21,670
0.9%Hallinan333
−21.1%
36,071
R
47.7%Truman12,440
48.0%Dewey12,520
4.4%Thurmond1,146
−0.3%
26,106
D
55.9%Roosevelt12,901
43.9%Dewey10,138
0.2%Thomas51
+12.0%
23,090
D
54.9%Roosevelt13,363
44.0%Willkie10,703
1.1%Thomas260
+10.9%
24,326
D
62.6%Roosevelt13,201
36.3%Landon7,661
1.1%Lemke237
+26.3%
21,099
D
55.3%Roosevelt10,042
40.9%Hoover7,432
3.7%Thomas680
+14.4%
18,154
R
29.8%Smith4,325
68.4%Hoover9,933
1.8%Thomas257
−38.6%
14,515
R
7.5%Davis967
56.5%Coolidge7,297
36.0%La Follette4,653
−49.0%
12,917
R
20.0%Cox2,057
69.2%Harding7,124
10.8%Debs1,111
−49.2%
10,292
R
36.7%Wilson4,574
50.5%Hughes6,285
12.8%Benson1,593
−13.7%
12,452
O
34.2%Wilson3,210
0.0%Taft0
65.8%Roosevelt6,185
Roosevelt +31.7
9,395
R
19.4%Bryan1,408
64.4%Taft4,671
16.2%Debs1,172
−45.0%
7,251
R
19.3%Parker1,436
72.0%Roosevelt5,359
8.7%Debs651
−52.7%
7,446
R
30.5%Bryan1,989
64.9%McKinley4,236
4.7%Woolley304
−34.4%
6,529
R
43.9%Bryan2,799
54.7%McKinley3,487
1.3%Palmer86
−10.8%
6,372
R
36.0%Cleveland2,183
43.7%Harrison2,651
20.3%Weaver1,235
−7.7%
6,069
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: +22.1% in 2024.flipped D · 1988+22.1%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892−7.7%
1896−10.8%
1900−34.4%
1904−52.7%
1908−45.0%
1912+34.2%
1916−13.7%
1920−49.2%
1924−49.0%
1928−38.6%
1932+14.4%
1936+26.3%
1940+10.9%
1944+12.0%
1948−0.3%
1952−21.1%
1956−5.7%
1960+5.6%
1964+32.1%
1968−1.0%
1972−3.9%
1976+11.8%
1980−15.5%
1984−6.4%
1988+13.7%
1992+16.0%
1996+7.4%
2000+0.3%
2004+14.4%
2008+23.6%
2012+22.3%
2016+18.9%
2020+26.2%
2024+22.1%
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
Voter registration in EurekaRegistered voters by party of registration, 2022–2024. Latest total 96,880 in 2024.24.8K49.7K74.5K99.3K96.9K20222024
DemocraticRepublicanUnaffiliatedOther parties
Voter registration in Eureka
YearTotal registeredDemocraticRepublicanUnaffiliatedOther
202299,31443,73225,89920,6858,998
202496,88042,11926,28519,1059,371
Source: California Secretary of State

The Eureka market covers Humboldt and Del Norte counties on California's far-north coast. It voted Democratic by D+26.2 in 2020 and D+22.1 in 2024. Median household income was $62,149 in the 2024 ACS 5-year, below the national figure of $80,734.

Across the recorded series it reached a Democratic high of 34.2 points in 1912 and a Republican high of 52.7 points in 1904. Between 2020 and 2024 the market moved 4.2 points toward the Republican candidate; the 2024 margin was 22.1 points.

A population of 161,648, a 68% non-Hispanic-white share, and a median household income of $62,149 describe the market. The market's voting pattern over the last decade is most similar to that of Eugene and Juneau.

The media markets whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

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All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Eureka, California. Akashic. https://akashic.app/dma/802/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Eureka

Frequently asked questions

How did Eureka, California vote in 2024?
In 2024, Eureka, California voted Democratic by 22.1 points (D+22.1), carried by the Democratic candidate. Out of 74,792 votes cast, 44,066 went Democratic and 27,558 went Republican.
When did Eureka, California last vote Republican?
The most recent presidential election in which Eureka, California voted Republican was 1984.
How many people live in Eureka, California?
Eureka, California has a population of 161,648 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Eureka, California?
Median household income in Eureka, California is $62,149 — below the national median of $80,734. The California state median is $99,122.
What is the political history of Eureka, California?
Akashic tracks 34 presidential elections in Eureka, California from 1892 to 2024. Of those, 17 went Democratic and 16 went Republican.