Religious adherence is published only at the county level (U.S. Religion Census). See Benton County.
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.
Iowa 84th State House District
Akashic
Iowa 84th State House DistrictTrumpR+27.6
20082024
How it voted
Share of the 2024 vote
Donald Trump ✓Republican
63.0%
11,583
Kamala HarrisDemocratic
35.4%
6,501
Robert F. Kennedy Jr.We The People
1.6%
296
D+60R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 2 counties it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (2 counties) — table
2024 presidential result by county for Iowa 84th State House District — winner and D-vs-R margin.
County
Winner
Margin
Benton County, IA
Republican
R+33.2
Linn County, IA
Democratic
D+9.9
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5 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
R
35.4%Harris6,501
63.0%Trump11,583
1.6%Kennedy296
−27.6%
18,380
R
37.9%Biden7,025
60.0%Trump11,125
2.1%Jorgensen387
−22.1%
18,537
R
35.8%Clinton6,082
57.3%Trump9,728
6.9%Johnson1,166
−21.5%
16,976
D
50.8%Obama8,625
49.2%Romney8,348
0.0%
+1.6%
16,973
D
52.5%Obama8,775
45.0%McCain7,522
2.4%Nader407
+7.5%
16,704
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presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2008
+7.5%
2012
+1.6%
2016
−21.5%
2020
−22.1%
2024
−27.6%
DemocraticRepublican
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current representation
Current officeholders
RTom GerholdState House · 84
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of R+27.8, this sparsely populated district of roughly 31,600 residents sits among Iowa's most one-sided legislative seats, reflecting the deep Republican lean that has reshaped rural Iowa over the past decade.
Across the recorded series it reached a Democratic high of 7.5 points in 2008 and a Republican high of 27.6 points in 2024. Between 2020 and 2024 the district moved 5.5 points toward the Republican candidate; the 2024 margin was 27.6 points.
A population of 31,627, a 95% non-Hispanic-white share, and a median household income of $88,816 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 70 and State House District 82.
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Political twins — state-house districts
The state-house districts 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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Iowa 84th State House District. Akashic. https://akashic.app/sld-lower/19084/. Accessed May 20, 2026. License: CC BY 4.0.
How did Iowa 84th State House District vote in 2024?
In 2024, Iowa 84th State House District voted Republican by 27.6 points (R+27.6), carried by the Republican candidate. Out of 18,380 votes cast, 6,501 went Democratic and 11,583 went Republican.
When did Iowa 84th State House District last vote Democratic?
The most recent presidential election in which Iowa 84th State House District voted Democratic was 2012.
How many people live in Iowa 84th State House District?
Iowa 84th State House District has a population of 31,627 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Iowa 84th State House District?
Median household income in Iowa 84th State House District is $88,816 — above the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Iowa 84th State House District?
Akashic tracks 5 presidential elections in Iowa 84th State House District from 2008 to 2024. Of those, 2 went Democratic and 3 went Republican.
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