state senate districtIowa 4th State Senate District
presidential margin
2004–2024 · Democratic minus Republican
2004R+5.7
2008D+1.1
2012R+4.3
2016R+31.6
2020R+34.2
2024R+39.9
net swing · 2004→2024R+34.2R+5.7 → R+39.9
vs. U.S. · 2024R+38.5R+39.9 vs R+1.5
presidential returns
2024 turnout 63.5% of 48,643 citizens 18+
Year
Democrat
Republican
Others
Total
CVAP
Turnout
2024
9,054
21,385
448
30,887
48,643
63.5%
2020
10,405
21,514
519
32,438
48,112†
67.4%
2016
9,936
19,929
1,801
31,666
49,364†
64.1%
2012
15,406
16,810
573
32,789
50,531†
64.9%
2008
16,283
15,903
1,056
33,242
50,983†
65.2%
2004
15,841
17,783
236
33,860
51,435†
65.8%
† Citizen voting-age population estimated for prior cycles from the constituent-county ACS trend anchored to the current figure. Source: ACS 5-year, table B05003.
——
D+60R+60
20042024
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupIA SD 4IowaUnited States
German32.7%30.5%12.5%
Irish11.7%12.8%9.4%
English9.5%10.2%9.5%
Norwegian5.9%4.1%—
Swedish4.4%1.9%—
American4.3%4.6%5.3%
Italian1.5%1.6%4.8%
Scottish1.5%—1.3%
Mexican2.7%5.0%11.3%
Guatemalan0.3%0.4%0.5%
Spanish0.3%——
Puerto Rican0.3%0.3%1.8%
African American†2.6%2.6%9.9%
African0.3%0.3%0.5%
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
IA SD 4
Iowa
United States
Median age
41.2
38.8
39.1
Age 18–24
9.5%
10.0%
9.2%
Age 65 and older
21.5%
18.1%
17.2%
Household economy
Measure
IA SD 4
Iowa
United States
Median household income
$68,130
$75,059
$84,427
Poverty rate
11.4%
11.1%
12.5%
Bachelor's degree or higher (25+)
21.6%
31.8%
35.6%
Languages at home
Measure
IA SD 4
Iowa
United States
Speaks a non-English language at home
4.3%
9.2%
22.3%
Spanish
2.8%
4.7%
13.6%
Religious landscape
Measure
IA SD 4
Iowa
United States
Catholic
—
14.7%
18.6%
Evangelical Protestant
—
10.9%
16.5%
Unclaimed / not counted
—
55.2%
51.5%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Iowa 4th State Senate District
presidential history
Presidential margin, 2004–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2004
−5.7%
2008
+1.1%
2012
−4.3%
2016
−31.6%
2020
−34.2%
2024
−39.9%
DemocraticRepublican
6 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year. Third-party votes in 2012 are allocated from certified county totals by this place's share of each county's two-party vote — that cycle's precinct source records two-party splits. † 2004 sub-county results are estimated: the source's block-level detail for this cycle was unreliable — either county/municipality-level consolidated reporting (COVID-era) or a precinct-to-block allocation that misplaced votes — so the figures are allocated from the constituent county totals in proportion to the place and scaled to certified totals.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
R
29.3%Harris9,054
69.2%Trump21,385
1.5%
R+39.9
R+5.7
R+38.5
30,887
R
32.1%Biden10,405
66.3%Trump21,514
1.6%
R+34.2
R+2.7
R+38.7
32,438
R
31.4%Clinton9,936
62.9%Trump19,929
5.7%
R+31.6
R+27.3
R+33.6
31,666
R
47.0%Obama15,406
51.3%Romney16,810
1.7%
R+4.3
R+5.4
R+8.1
32,789
D
49.0%Obama16,283
47.8%McCain15,903
3.2%
D+1.1
D+6.9
R+6.1
33,242
R
46.8%Kerry15,841
52.5%Bush17,783
0.7%
R+5.7
—
R+3.3
33,860
current representation
Current officeholders
RTim KraayenbrinkState Senate · 4
State legislative officeholder from OpenStates nightly current-legislator data.
This rural northwest Iowa district recorded a 73-point Republican presidential margin in 2024, making it among the most politically uniform constituencies in the state and a reliable benchmark for measuring statewide partisan shifts.
Across the recorded series it reached a Democratic high of 1.1 points in 2008 and a Republican high of 39.9 points in 2024. Between 2020 and 2024 the district moved 5.7 points toward the Republican candidate; the 2024 margin was 39.9 points.
A population of 63,818, a 88% non-Hispanic-white share, and a median household income of $68,130 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 29 and State Senate District 27.
Akashic
Political twins — state-senate districts
The state-senate 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 4th State Senate District. Akashic. https://akashic.app/sld-upper/19004/. Accessed May 20, 2026. License: CC BY 4.0.
How did Iowa 4th State Senate District vote in 2024?
In 2024, Iowa 4th State Senate District voted Republican by 39.9 points (R+39.9), carried by the Republican candidate. Out of 30,887 votes cast, 9,054 went Democratic and 21,385 went Republican.
When did Iowa 4th State Senate District last vote Democratic?
The most recent presidential election in which Iowa 4th State Senate District voted Democratic was 2008.
How many people live in Iowa 4th State Senate District?
Iowa 4th State Senate District has a population of 63,818 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Iowa 4th State Senate District?
Median household income in Iowa 4th State Senate District is $68,130 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Iowa 4th State Senate District?
Akashic tracks 6 presidential elections in Iowa 4th State Senate District from 2004 to 2024. Of those, 1 went Democratic and 5 went Republican.
