Akashic
1892–2024
Akashic
Oskaloosa, IA
presidential margin
2008R+16.52012R+20.52016R+44.92020R+47.42024R+51.4
full record · 1892 → 2024
R+51.4
2024
median income$70,940U.S. $80,734 · IA $75,059
median age39.0U.S. 39.1 · IA 38.8
poverty rate12.6%U.S. 12.5% · IA 11.1%
bachelor’s+ (25+)24.1%U.S. 35.6% · IA 31.8%
non-english3.5%U.S. 22.3% · IA 9.2%
race · ethnicity · ancestry
German20.5%
English15.7%
Dutch12.0%
Mexican1.5%
Puerto Rican0.3%
Spanish0.3%
African American†0.5%
African0.3%
Haitian0.2%
Japanese0.4%
Laotian0.3%
Filipino0.2%
religion
other traditions
Mainline18.0%
Latter-day Saints1.5%
Other Christian0.5%
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.

Oskaloosa, IA, Iowa

Akashic
Oskaloosa, IATrumpR+51.4
—
2024 presidential margin by county for Oskaloosa, IA, IAA map of the single county of Oskaloosa, IA, IA, 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.Mahaska County, IA · R+51.4
How it voted
Share of the 2024 vote
Donald Trump ✓Republican75.0%8,207
Kamala HarrisDemocratic23.5%2,577
Robert F. Kennedy Jr.We The People1.5%162
D+60
R+60
A single county, filled by its 2024 D-vs-R margin. Hover it for the full result.
County-level results (1 county) — table
2024 presidential result by county for Oskaloosa, IA, IA — winner and D-vs-R margin.
CountyWinnerMargin
Mahaska County, IARepublicanR+51.4
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
23.5%Harris2,577
75.0%Trump8,207
1.5%Kennedy162
−51.4%
10,946
R
25.4%Biden2,894
72.8%Trump8,297
1.9%Jorgensen213
−47.4%
11,404
R
24.4%Clinton2,619
69.3%Trump7,432
6.3%Johnson672
−44.9%
10,723
R
38.7%Obama4,213
59.2%Romney6,448
2.0%Johnson222
−20.5%
10,883
R
40.8%Obama4,464
57.4%McCain6,271
1.8%Nader197
−16.5%
10,932
R
35.3%Kerry3,790
63.9%Bush6,858
0.7%Other80
−28.6%
10,728
R
35.3%Gore3,370
62.6%Bush5,971
2.1%Nader202
−27.3%
9,543
R
41.8%Clinton3,737
50.0%Dole4,473
8.2%Perot731
−8.2%
8,941
R
36.2%Clinton3,714
48.3%Bush4,953
15.4%Perot1,580
−12.1%
10,247
R
47.8%Dukakis4,451
51.5%Bush4,798
0.8%Larouche71
−3.7%
9,320
R
39.9%Mondale4,107
59.1%Reagan6,086
1.0%Larouche100
−19.2%
10,293
R
38.3%Carter3,968
54.5%Reagan5,650
7.2%Anderson745
−16.2%
10,363
R
47.2%Carter4,838
51.4%Ford5,267
1.4%McCarthy146
−4.2%
10,251
R
33.9%McGovern3,382
63.8%Nixon6,374
2.3%Schmitz232
−30.0%
9,988
R
37.3%Humphrey3,721
56.9%Nixon5,670
5.8%Wallace579
−19.5%
9,970
D
62.7%Johnson6,396
37.1%Goldwater3,787
0.2%Hass22
+25.6%
10,205
R
34.4%Kennedy3,746
65.4%Nixon7,129
0.2%Byrd26
−31.0%
10,901
R
35.9%Stevenson3,965
62.2%Eisenhower6,864
1.9%Andrews205
−26.3%
11,034
R
32.5%Stevenson3,745
64.0%Eisenhower7,369
3.5%Hallinan409
−31.5%
11,523
D
47.9%Truman4,327
46.9%Dewey4,238
5.1%Thurmond465
+1.0%
9,030
R
46.2%Roosevelt4,652
50.9%Dewey5,123
2.9%Thomas297
−4.7%
10,072
R
48.1%Roosevelt5,757
51.1%Willkie6,123
0.8%Thomas97
−3.1%
11,977
D
52.0%Roosevelt6,094
44.9%Landon5,270
3.1%Lemke362
+7.0%
11,726
D
52.1%Roosevelt5,586
43.5%Hoover4,655
4.4%Thomas472
+8.7%
10,713
R
30.0%Smith3,200
69.1%Hoover7,368
0.9%Thomas97
−39.1%
10,665
R
15.9%Davis1,673
55.1%Coolidge5,810
29.0%La Follette3,060
−39.2%
10,543
R
32.0%Cox3,339
64.5%Harding6,739
3.5%Debs362
−32.6%
10,440
D
48.3%Wilson3,151
48.1%Hughes3,143
3.6%Benson235
+0.1%
6,529
D
40.0%Wilson2,576
26.1%Taft1,682
34.0%Roosevelt2,190
+13.9%
6,448
R
44.3%Bryan3,035
48.5%Taft3,326
7.2%Debs495
−4.2%
6,856
R
33.3%Parker2,287
59.6%Roosevelt4,091
7.1%Debs489
−26.3%
6,867
R
43.3%Bryan3,596
53.9%McKinley4,480
2.8%Woolley236
−10.6%
8,312
R
47.3%Bryan3,974
50.7%McKinley4,256
2.0%Palmer166
−3.4%
8,396
R
34.8%Cleveland2,428
47.9%Harrison3,340
17.3%Weaver1,208
−13.1%
6,976
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: −51.4% in 2024.flipped R · 1968−51.4%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892−13.1%
1896−3.4%
1900−10.6%
1904−26.3%
1908−4.2%
1912+13.9%
1916+0.1%
1920−32.6%
1924−39.2%
1928−39.1%
1932+8.7%
1936+7.0%
1940−3.1%
1944−4.7%
1948+1.0%
1952−31.5%
1956−26.3%
1960−31.0%
1964+25.6%
1968−19.5%
1972−30.0%
1976−4.2%
1980−16.2%
1984−19.2%
1988−3.7%
1992−12.1%
1996−8.2%
2000−27.3%
2004−28.6%
2008−16.5%
2012−20.5%
2016−44.9%
2020−47.4%
2024−51.4%
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
Voter registration in Oskaloosa, IARegistered voters by party of registration, 2008–2024. Latest total 14,724 in 2024.4K7.9K11.9K15.8K14.7K20082024
DemocraticRepublicanUnaffiliatedOther parties
Voter registration in Oskaloosa, IA
YearTotal registeredDemocraticRepublicanUnaffiliatedOther
200815,1413,7195,7605,6593
201015,4733,5506,2675,6497
201215,8113,5926,3895,81317
201415,4033,3526,3185,69439
201614,9962,9287,1904,80573
201814,8802,6897,2924,792107
202015,2032,9567,5024,630115
202214,8252,6217,6004,466138
202414,7242,4287,6884,459149
Source: Iowa Secretary of State

Oskaloosa, IA sits in the Corn Belt. In 2024 it voted Republican.

Across the recorded series it reached a Democratic high of 25.6 points in 1964 and a Republican high of 51.4 points in 2024. Between 2020 and 2024 the metro moved 4.1 points toward the Republican candidate; the 2024 margin was 51.4 points.

A population of 22,021, a 92% non-Hispanic-white share, and a median household income of $70,940 describe the metro. The metro's voting pattern over the last decade is most similar to that of Bellefontaine, OH and Urbana, OH.

Political twins — metros

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

Bellefontaine, OH
86.7twin score
12-yr trend2016–2024 trajectory≠ Scottish ancestry
Urbana, OH
85.3twin score
12-yr trend2016–2024 trajectory≠ % unaffiliated
Wilmington, OH
84.7twin score
2016–2024 trajectory% White≠ % unaffiliated

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.
Oskaloosa, IA, Iowa. Akashic. https://akashic.app/cbsa/36820/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Oskaloosa, IA

counties1
Mahaska County

Frequently asked questions

How did Oskaloosa, IA, Iowa vote in 2024?
In 2024, Oskaloosa, IA, Iowa voted Republican by 51.4 points (R+51.4), carried by the Republican candidate. Out of 10,946 votes cast, 2,577 went Democratic and 8,207 went Republican.
When did Oskaloosa, IA, Iowa last vote Democratic?
The most recent presidential election in which Oskaloosa, IA, Iowa voted Democratic was 1964.
How many people live in Oskaloosa, IA, Iowa?
Oskaloosa, IA, Iowa has a population of 22,021 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Oskaloosa, IA, Iowa?
Median household income in Oskaloosa, IA, Iowa is $70,940 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Oskaloosa, IA, Iowa?
Akashic tracks 34 presidential elections in Oskaloosa, IA, Iowa from 1892 to 2024. Of those, 6 went Democratic and 28 went Republican.