Akashic
1892–2024
Akashic
Iowa 34th State Senate District
presidential margin
2008D+13.72012D+9.42016R+19.92020R+25.32024R+31.7
full record · 2008 → 2024
R+31.7
2024
median income$72,128U.S. $80,734 · IA $75,059
median age42.1U.S. 39.1 · IA 38.8
poverty rate8.8%U.S. 12.5% · IA 11.1%
bachelor’s+ (25+)26.3%U.S. 35.6% · IA 31.8%
non-english5.9%U.S. 22.3% · IA 9.2%
race · ethnicity · ancestry
German40.8%
Irish14.7%
English10.2%
Mexican1.2%
Guatemalan0.2%
religion

Religious adherence is published only at the county level (U.S. Religion Census). See Buchanan County.

American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.

Iowa 34th State Senate District

Akashic
Iowa 34th State Senate DistrictTrumpR+31.7
2024
2024 presidential margin for Iowa 34th State Senate DistrictThe boundary of Iowa 34th State Senate District, filled by its 2024 presidential margin (R+31.7), over faint outlines of the counties it is drawn from.Iowa 34th State Senate District · R+31.7
How it voted
Share of the 2024 vote
Donald Trump ✓Republican65.0%22,194
Kamala HarrisDemocratic33.3%11,366
Robert F. Kennedy Jr.We The People1.8%604
D+60
R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 5 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 (5 counties) — table
2024 presidential result by county for Iowa 34th State Senate District — winner and D-vs-R margin.
CountyWinnerMargin
Black Hawk County, IADemocraticD+1.2
Buchanan County, IARepublicanR+28.1
Delaware County, IARepublicanR+39.5
Dubuque County, IARepublicanR+8.6
Fayette County, IARepublicanR+30.4
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
33.3%Harris11,366
65.0%Trump22,194
1.8%Kennedy604
−31.7%
34,164
R
36.4%Biden12,580
61.7%Trump21,303
1.8%Jorgensen631
−25.3%
34,514
R
36.6%Clinton11,944
56.6%Trump18,434
6.8%Johnson2,219
−19.9%
32,597
D
54.7%Obama18,082
45.3%Romney14,985
0.0%
+9.4%
33,067
D
55.5%Obama18,190
41.8%McCain13,712
2.7%Nader897
+13.7%
32,799
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: −31.7% in 2024.flipped R · 2016−31.7%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+13.7%
2012+9.4%
2016−19.9%
2020−25.3%
2024−31.7%
DemocraticRepublican
current representation
Current officeholders
RDan ZumbachState Senate · 34

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

With a 2024 presidential margin of D+47.1, this district ranks among Iowa's most lopsided state senate constituencies, reflecting the dense urban concentration that drives its consistently wide Democratic vote shares.

Across the recorded series it reached a Democratic high of 13.7 points in 2008 and a Republican high of 31.7 points in 2024. Between 2020 and 2024 the district moved 6.4 points toward the Republican candidate; the 2024 margin was 31.7 points.

A population of 63,469, a 95% non-Hispanic-white share, and a median household income of $72,128 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 35 and State Senate District 29.

Political twins — state-senate districts

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

State Senate District 35
Iowa
95.8twin score
12-yr trendelasticity% White
State Senate District 29
Iowa
94.8twin score
12-yr trendelasticity2020–2024 trajectory
State Senate District 4
Iowa
93.6twin score
12-yr trendelasticity2020–2024 trajectory≠ Scottish ancestry

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 34th State Senate District. Akashic. https://akashic.app/sld-upper/19034/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Iowa 34th State Senate District

counties it covers5
Black Hawk CountyBuchanan CountyDelaware CountyDubuque CountyFayette County

Frequently asked questions

How did Iowa 34th State Senate District vote in 2024?
In 2024, Iowa 34th State Senate District voted Republican by 31.7 points (R+31.7), carried by the Republican candidate. Out of 34,164 votes cast, 11,366 went Democratic and 22,194 went Republican.
When did Iowa 34th State Senate District last vote Democratic?
The most recent presidential election in which Iowa 34th State Senate District voted Democratic was 2012.
How many people live in Iowa 34th State Senate District?
Iowa 34th State Senate District has a population of 63,469 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Iowa 34th State Senate District?
Median household income in Iowa 34th State Senate District is $72,128 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Iowa 34th State Senate District?
Akashic tracks 5 presidential elections in Iowa 34th State Senate District from 2008 to 2024. Of those, 2 went Democratic and 3 went Republican.