Akashic
1892–2024
Akashic
Sioux City
presidential margin
2008R+17.82012R+24.12016R+41.32020R+39.82024R+45.4
full record · 1892 → 2024
R+45.4
2024
median income$73,438U.S. $80,734 · IA $75,059
median age38.5U.S. 39.1
poverty rate10.9%U.S. 12.5%
bachelor’s+ (25+)24.4%U.S. 35.6%
non-english13.1%U.S. 22.3%
race · ethnicity · ancestry
German32.7%
Irish10.1%
English6.2%
Mexican10.0%
Guatemalan1.3%
Salvadoran0.5%
African American†1.3%
Ethiopian0.4%
African0.2%
Laotian0.4%
Burmese0.2%
Filipino0.2%
religion
other traditions
Black Protestant0.6%
Other Christian0.5%
Latter-day Saints0.5%
Muslim0.5%
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.

Sioux City, Iowa

Akashic
Sioux CityTrumpR+45.4
—
2024 presidential margin by county for Sioux City, IAA map of the constituent counties of Sioux City, IA, 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.Monona County, IA · R+45.2Cedar County, NE · R+69.6Wayne County, NE · R+48.8Sac County, IA · R+51.5Plymouth County, IA · R+54.1Sioux County, IA · R+70.7Knox County, NE · R+63.1Buena Vista County, IA · R+33.2Pierce County, NE · R+76.1Woodbury County, IA · R+22.9Stanton County, NE · R+66.4Dickinson County, IA · R+39.9Dakota County, NE · R+29.7Cherokee County, IA · R+45.7Ida County, IA · R+53.2O'Brien County, IA · R+60.7Dixon County, NE · R+58.5Thurston County, NE · R+6.9Clay County, IA · R+43.1Emmet County, IA · R+43.9Palo Alto County, IA · R+44.9Union County, SD · R+40.7Madison County, NE · R+55.8
How it voted
Share of the 2024 vote
Donald Trump ✓Republican71.9%141,399
Kamala HarrisDemocratic26.5%52,044
Robert F. Kennedy Jr.We The People1.6%3,190
D+60
R+60
23 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
County-level results (23 counties) — table
2024 presidential result by county for Sioux City, IA — winner and D-vs-R margin.
CountyWinnerMargin
Buena Vista County, IARepublicanR+33.2
Cedar County, NERepublicanR+69.6
Cherokee County, IARepublicanR+45.7
Clay County, IARepublicanR+43.1
Dakota County, NERepublicanR+29.7
Dickinson County, IARepublicanR+39.9
Dixon County, NERepublicanR+58.5
Emmet County, IARepublicanR+43.9
Ida County, IARepublicanR+53.2
Knox County, NERepublicanR+63.1
Madison County, NERepublicanR+55.8
Monona County, IARepublicanR+45.2
O'Brien County, IARepublicanR+60.7
Palo Alto County, IARepublicanR+44.9
Pierce County, NERepublicanR+76.1
Plymouth County, IARepublicanR+54.1
Sac County, IARepublicanR+51.5
Sioux County, IARepublicanR+70.7
Stanton County, NERepublicanR+66.4
Thurston County, NERepublicanR+6.9
Union County, SDRepublicanR+40.7
Wayne County, NERepublicanR+48.8
Woodbury County, IARepublicanR+22.9
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
26.5%Harris52,044
71.9%Trump141,399
1.6%Kennedy3,190
−45.4%
196,633
R
29.1%Biden59,142
69.0%Trump140,017
1.9%Jorgensen3,878
−39.8%
203,037
R
26.1%Clinton50,266
67.4%Trump129,622
6.5%Johnson12,439
−41.3%
192,327
R
37.0%Obama70,379
61.1%Romney116,144
1.8%Johnson3,469
−24.1%
189,992
R
40.4%Obama76,085
58.2%McCain109,622
1.5%Nader2,756
−17.8%
188,463
R
37.1%Kerry70,875
62.0%Bush118,193
0.9%Other1,715
−24.8%
190,783
R
36.7%Gore62,430
59.8%Bush101,592
3.5%Nader5,974
−23.0%
169,996
R
38.7%Clinton64,199
49.8%Dole82,702
11.5%Perot19,179
−11.1%
166,080
R
32.7%Clinton59,837
45.9%Bush83,917
21.4%Perot39,127
−13.2%
182,881
R
44.6%Dukakis75,320
54.7%Bush92,427
0.7%Larouche1,180
−10.1%
168,927
R
36.8%Mondale66,271
62.4%Reagan112,322
0.8%Larouche1,493
−25.6%
180,086
R
30.5%Carter56,444
61.4%Reagan113,387
8.1%Anderson14,979
−30.8%
184,810
R
41.9%Carter75,440
56.3%Ford101,296
1.8%McCarthy3,265
−14.4%
180,001
R
35.2%McGovern61,980
63.6%Nixon112,019
1.2%Schmitz2,091
−28.4%
176,090
R
34.3%Humphrey59,672
60.3%Nixon104,737
5.4%Wallace9,331
−25.9%
173,740
D
55.1%Johnson101,675
44.7%Goldwater82,490
0.1%Hass210
+10.4%
184,375
R
38.8%Kennedy78,191
61.1%Nixon123,086
0.0%Byrd46
−22.3%
201,323
R
38.2%Stevenson74,786
61.7%Eisenhower120,889
0.1%Andrews240
−23.5%
195,915
R
30.8%Stevenson62,215
68.9%Eisenhower139,261
0.3%Hallinan557
−38.1%
202,033
D
50.7%Truman84,912
48.1%Dewey80,527
1.2%Thurmond2,086
+2.6%
167,525
R
44.9%Roosevelt76,680
54.8%Dewey93,515
0.3%Thomas446
−9.9%
170,641
R
45.6%Roosevelt93,625
54.2%Willkie111,359
0.2%Thomas378
−8.6%
205,362
D
58.8%Roosevelt114,961
37.3%Landon73,007
3.9%Lemke7,556
+21.5%
195,524
D
65.7%Roosevelt118,824
32.8%Hoover59,253
1.5%Thomas2,763
+32.9%
180,840
R
40.9%Smith68,327
58.6%Hoover97,912
0.5%Thomas831
−17.7%
167,070
R
16.8%Davis26,458
49.1%Coolidge77,040
34.1%La Follette53,559
−32.2%
157,057
R
25.8%Cox35,486
72.1%Harding99,073
2.1%Debs2,836
−46.3%
137,395
D
49.9%Wilson41,649
48.3%Hughes40,335
1.9%Benson1,561
+1.6%
83,545
O
36.6%Wilson28,696
21.2%Taft16,666
42.2%Roosevelt33,109
Roosevelt +5.6
78,471
R
41.6%Bryan32,279
55.8%Taft43,299
2.6%Debs2,005
−14.2%
77,583
R
27.0%Parker19,683
67.1%Roosevelt48,944
5.8%Debs4,263
−40.1%
72,890
R
39.7%Bryan31,704
58.0%McKinley46,353
2.3%Woolley1,874
−18.3%
79,931
R
45.4%Bryan34,421
52.9%McKinley40,145
1.7%Palmer1,288
−7.5%
75,854
R
33.7%Cleveland20,077
48.1%Harrison28,667
18.3%Weaver10,914
−14.4%
59,658
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: −45.4% in 2024.flipped R · 1968−45.4%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892−14.4%
1896−7.5%
1900−18.3%
1904−40.1%
1908−14.2%
1912+15.3%
1916+1.6%
1920−46.3%
1924−32.2%
1928−17.7%
1932+32.9%
1936+21.5%
1940−8.6%
1944−9.9%
1948+2.6%
1952−38.1%
1956−23.5%
1960−22.3%
1964+10.4%
1968−25.9%
1972−28.4%
1976−14.4%
1980−30.8%
1984−25.6%
1988−10.1%
1992−13.2%
1996−11.1%
2000−23.0%
2004−24.8%
2008−17.8%
2012−24.1%
2016−41.3%
2020−39.8%
2024−45.4%
DemocraticRepublican

The Sioux City designated market area stretches across Iowa, Nebraska, South Dakota, and Minnesota, concentrating ad buys for campaigns targeting rural and small-city voters across a patchwork of closely contested congressional districts.

Across the recorded series it reached a Democratic high of 32.9 points in 1932 and a Republican high of 46.3 points in 1920. Between 2020 and 2024 the market moved 5.6 points toward the Republican candidate; the 2024 margin was 45.4 points.

A population of 418,200, a 77% non-Hispanic-white share, and a median household income of $73,438 describe the market. The market's voting pattern over the last decade is most similar to that of Lima and Minot-Bismarck-Dickinson (Williston).

Political twins — media markets

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

Lima
Ohio
90.0twin score
2016–2024 trajectory12-yr trend≠ Norwegian ancestry
Minot-Bismarck-Dickinson (Williston)
North Dakota
88.1twin score
2016–2024 trajectory12-yr trend≠ Norwegian ancestry
Quincy-Hannibal-Keokuk
Missouri
77.3twin score
2016–2024 trajectory12-yr trend≠ median age

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 →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Sioux City, Iowa. Akashic. https://akashic.app/dma/624/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Sioux City

counties23
Buena Vista CountyCedar CountyCherokee CountyClay CountyDakota CountyDickinson CountyDixon CountyEmmet CountyIda CountyKnox CountyMadison CountyMonona CountyO'Brien CountyPalo Alto CountyPierce CountyPlymouth CountySac CountySioux CountyStanton CountyThurston CountyUnion CountyWayne CountyWoodbury County

Frequently asked questions

How did Sioux City, Iowa vote in 2024?
In 2024, Sioux City, Iowa voted Republican by 45.4 points (R+45.4), carried by the Republican candidate. Out of 196,633 votes cast, 52,044 went Democratic and 141,399 went Republican.
When did Sioux City, Iowa last vote Democratic?
The most recent presidential election in which Sioux City, Iowa voted Democratic was 1964.
How many people live in Sioux City, Iowa?
Sioux City, Iowa has a population of 418,200 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Sioux City, Iowa?
Median household income in Sioux City, Iowa is $73,438 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Sioux City, Iowa?
Akashic tracks 34 presidential elections in Sioux City, Iowa from 1892 to 2024. Of those, 5 went Democratic and 28 went Republican.