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
18922024
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic
58.9%
44,066
Donald TrumpRepublican
36.8%
27,558
Robert F. Kennedy Jr.American Independent
4.2%
3,168
D+60R+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.
County
Winner
Margin
Del Norte County, CA
Republican
R+16.4
Humboldt County, CA
Democratic
D+28.4
Akashic
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year
Won
Democratic
Republican
Other
Margin
Total
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
Akashic
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (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
Akashic
voter registration
Registered voters
By party of registration, over time
DemocraticRepublicanUnaffiliatedOther parties
Voter registration in Eureka
Year
Total registered
Democratic
Republican
Unaffiliated
Other
2022
99,314
43,732
25,899
20,685
8,998
2024
96,880
42,119
26,285
19,105
9,371
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.
Akashic
Political twins — media markets
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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Eureka, California. Akashic. https://akashic.app/dma/802/. Accessed May 20, 2026. License: CC BY 4.0.
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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.