Akashic
1892–2024
Akashic
Cedar Rapids-Waterloo-Iowa City & Dubuque
presidential margin
2008D+20.42012D+15.52016D+2.12020D+3.42024R+1.7
full record · 1892 → 2024
R+1.7
2024
median income$74,974U.S. $80,734 · IA $75,059
median age38.3U.S. 39.1 · IA 38.8
poverty rate11.5%U.S. 12.5% · IA 11.1%
bachelor’s+ (25+)34.0%U.S. 35.6% · IA 31.8%
non-english7.5%U.S. 22.3% · IA 9.2%
race · ethnicity · ancestry
German34.6%
Irish14.1%
English9.7%
African American†3.5%
African0.4%
Sudanese0.2%
Mexican2.9%
Puerto Rican0.3%
Guatemalan0.3%
Asian Indian0.5%
Chinese0.4%
Burmese0.2%
religion
other traditions
Mainline15.3%
Black Protestant1.2%
Latter-day Saints0.9%
Muslim0.8%
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.

Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa

Akashic
Cedar Rapids-Waterloo-Iowa City & DubuqueTrumpR+1.7
—
2024 presidential margin by county for Cedar Rapids-Waterloo-Iowa City & Dubuque, IAA map of the constituent counties of Cedar Rapids-Waterloo-Iowa City & Dubuque, 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.Fayette County, IA · R+30.4Black Hawk County, IA · D+1.2Tama County, IA · R+26.8Washington County, IA · R+24.4Allamakee County, IA · R+34.3Dubuque County, IA · R+8.6Buchanan County, IA · R+28.1Butler County, IA · R+45.2Benton County, IA · R+33.2Cedar County, IA · R+21.7Jones County, IA · R+26.2Keokuk County, IA · R+51.5Grundy County, IA · R+41.7Clayton County, IA · R+34.4Linn County, IA · D+9.9Chickasaw County, IA · R+37.1Johnson County, IA · D+37.8Bremer County, IA · R+22.1Delaware County, IA · R+39.5Winneshiek County, IA · R+9.2Iowa County, IA · R+27.7
How it voted
Share of the 2024 vote
Donald Trump ✓Republican50.0%245,767
Kamala HarrisDemocratic48.3%237,369
Robert F. Kennedy Jr.We The People1.8%8,740
D+60
R+60
21 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
County-level results (21 counties) — table
2024 presidential result by county for Cedar Rapids-Waterloo-Iowa City & Dubuque, IA — winner and D-vs-R margin.
CountyWinnerMargin
Allamakee County, IARepublicanR+34.3
Benton County, IARepublicanR+33.2
Black Hawk County, IADemocraticD+1.2
Bremer County, IARepublicanR+22.1
Buchanan County, IARepublicanR+28.1
Butler County, IARepublicanR+45.2
Cedar County, IARepublicanR+21.7
Chickasaw County, IARepublicanR+37.1
Clayton County, IARepublicanR+34.4
Delaware County, IARepublicanR+39.5
Dubuque County, IARepublicanR+8.6
Fayette County, IARepublicanR+30.4
Grundy County, IARepublicanR+41.7
Iowa County, IARepublicanR+27.7
Johnson County, IADemocraticD+37.8
Jones County, IARepublicanR+26.2
Keokuk County, IARepublicanR+51.5
Linn County, IADemocraticD+9.9
Tama County, IARepublicanR+26.8
Washington County, IARepublicanR+24.4
Winneshiek County, IARepublicanR+9.2
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
48.3%Harris237,369
50.0%Trump245,767
1.8%Kennedy8,740
−1.7%
491,876
D
50.7%Biden253,679
47.2%Trump236,524
2.1%Jorgensen10,411
+3.4%
500,614
D
46.9%Clinton221,010
44.9%Trump211,332
8.2%Johnson38,624
+2.1%
470,966
D
56.9%Obama268,689
41.3%Romney195,287
1.8%Johnson8,535
+15.5%
472,511
D
59.4%Obama270,992
39.0%McCain178,068
1.5%Nader7,036
+20.4%
456,096
D
53.9%Kerry239,686
45.3%Bush201,310
0.9%Other3,853
+8.6%
444,849
D
52.1%Gore198,981
44.2%Bush168,641
3.7%Nader14,065
+7.9%
381,687
D
53.9%Clinton189,917
36.9%Dole129,922
9.2%Perot32,352
+17.0%
352,191
D
44.8%Clinton174,159
34.1%Bush132,696
21.1%Perot81,938
+10.7%
388,793
D
56.4%Dukakis195,204
42.8%Bush148,376
0.8%Larouche2,752
+13.5%
346,332
R
47.1%Mondale175,303
52.0%Reagan193,284
0.9%Larouche3,261
−4.8%
371,848
R
40.3%Carter149,101
48.2%Reagan178,398
11.6%Anderson42,843
−7.9%
370,342
R
48.1%Carter172,301
49.4%Ford177,160
2.5%McCarthy8,801
−1.4%
358,262
R
43.2%McGovern145,105
55.0%Nixon184,844
1.8%Schmitz6,203
−11.8%
336,152
R
42.5%Humphrey133,173
52.2%Nixon163,629
5.4%Wallace16,907
−9.7%
313,709
D
62.2%Johnson194,296
37.6%Goldwater117,474
0.1%Hass380
+24.6%
312,150
R
45.0%Kennedy147,682
54.9%Nixon180,401
0.1%Byrd219
−10.0%
328,302
R
39.2%Stevenson121,130
60.4%Eisenhower186,587
0.3%Andrews1,030
−21.2%
308,747
R
35.6%Stevenson111,392
63.9%Eisenhower200,048
0.6%Hallinan1,793
−28.3%
313,233
D
49.6%Truman129,725
48.5%Dewey126,692
1.9%Thurmond5,021
+1.2%
261,438
R
46.2%Roosevelt119,198
53.3%Dewey137,485
0.5%Thomas1,179
−7.1%
257,862
R
45.0%Roosevelt130,739
54.7%Willkie158,665
0.3%Thomas874
−9.6%
290,278
D
53.9%Roosevelt147,817
42.7%Landon117,167
3.5%Lemke9,486
+11.2%
274,470
D
58.3%Roosevelt151,893
40.0%Hoover104,194
1.7%Thomas4,357
+18.3%
260,444
R
40.3%Smith102,502
59.3%Hoover150,747
0.4%Thomas1,057
−19.0%
254,306
R
18.9%Davis44,915
53.4%Coolidge126,783
27.7%La Follette65,640
−34.5%
237,338
R
25.1%Cox54,270
72.5%Harding157,018
2.4%Debs5,295
−47.4%
216,583
R
41.1%Wilson51,512
56.9%Hughes71,306
2.0%Benson2,463
−15.8%
125,281
D
43.5%Wilson52,356
24.3%Taft29,248
32.2%Roosevelt38,818
+19.2%
120,422
R
44.4%Bryan52,495
52.6%Taft62,225
3.0%Debs3,555
−8.2%
118,275
R
36.7%Parker43,314
59.1%Roosevelt69,828
4.2%Debs5,020
−22.4%
118,162
R
42.2%Bryan53,010
55.8%McKinley70,144
2.0%Woolley2,499
−13.6%
125,653
R
43.3%Bryan53,665
54.8%McKinley67,990
1.9%Palmer2,324
−11.6%
123,979
D
50.1%Cleveland55,326
47.3%Harrison52,144
2.6%Weaver2,863
+2.9%
110,333
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: −1.7% in 2024.flipped R · 2024−1.7%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892+2.9%
1896−11.6%
1900−13.6%
1904−22.4%
1908−8.2%
1912+19.2%
1916−15.8%
1920−47.4%
1924−34.5%
1928−19.0%
1932+18.3%
1936+11.2%
1940−9.6%
1944−7.1%
1948+1.2%
1952−28.3%
1956−21.2%
1960−10.0%
1964+24.6%
1968−9.7%
1972−11.8%
1976−1.4%
1980−7.9%
1984−4.8%
1988+13.5%
1992+10.7%
1996+17.0%
2000+7.9%
2004+8.6%
2008+20.4%
2012+15.5%
2016+2.1%
2020+3.4%
2024−1.7%
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
Voter registration in Cedar Rapids-Waterloo-Iowa City & DubuqueRegistered voters by party of registration, 2008–2024. Latest total 653,290 in 2024.163.3K326.6K490K653.3K653.3K20082024
DemocraticRepublicanUnaffiliatedOther parties
Voter registration in Cedar Rapids-Waterloo-Iowa City & Dubuque
YearTotal registeredDemocraticRepublicanUnaffiliatedOther
2008618,318225,184157,977234,803354
2010621,806219,714165,887235,450755
2012640,745219,868173,086246,6771,114
2014635,384214,001169,824249,3982,161
2016636,469220,878177,697234,0213,873
2018635,970218,736172,461239,3025,471
2020652,830242,887189,156215,1475,640
2022649,386230,615190,389222,6045,778
2024653,290216,360198,881231,8586,191
Source: Iowa Secretary of State

Cedar Rapids and Waterloo-Dubuque span a corridor where mid-size manufacturing cities meet agricultural hinterlands, producing a market that has swung within single digits in recent presidential cycles.

Across the recorded series it reached a Democratic high of 24.6 points in 1964 and a Republican high of 47.4 points in 1920. Between 2020 and 2024 the market moved 5.1 points toward the Republican candidate; the 2024 margin was 1.7 points.

A population of 919,732, a 84% non-Hispanic-white share, and a median household income of $74,974 describe the market. The market's voting pattern over the last decade is most similar to that of Des Moines-Ames and Madison.

Political twins — media markets

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

Des Moines-Ames
Iowa
89.1twin score
12-yr trend% Evangelical% White
Madison
Wisconsin
85.3twin score
2000–2012 trajectory≠ 2024 margin
Davenport-Rock Island-Moline
Illinois
83.0twin score
2000–2012 trajectory≠ college share

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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Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa. Akashic. https://akashic.app/dma/637/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Cedar Rapids-Waterloo-Iowa City & Dubuque

counties21
Allamakee CountyBenton CountyBlack Hawk CountyBremer CountyBuchanan CountyButler CountyCedar CountyChickasaw CountyClayton CountyDelaware CountyDubuque CountyFayette CountyGrundy CountyIowa CountyJohnson CountyJones CountyKeokuk CountyLinn CountyTama CountyWashington CountyWinneshiek County

Frequently asked questions

How did Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa vote in 2024?
In 2024, Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa voted Republican by 1.7 points (R+1.7), carried by the Republican candidate. Out of 491,876 votes cast, 237,369 went Democratic and 245,767 went Republican.
When did Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa last vote Democratic?
The most recent presidential election in which Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa voted Democratic was 2020.
How many people live in Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa?
Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa has a population of 919,732 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa?
Median household income in Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa is $74,974 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa?
Akashic tracks 34 presidential elections in Cedar Rapids-Waterloo-Iowa City & Dubuque, Iowa from 1892 to 2024. Of those, 15 went Democratic and 19 went Republican.