Akashic
1892–2024
Akashic
Iowa 48th State Senate District
presidential margin
2008D+9.62012D+6.82016R+18.42020R+20.42024R+28.0
full record · 2008 → 2024
R+28.0
2024
median income$69,749U.S. $80,734 · IA $75,059
median age40.7U.S. 39.1 · IA 38.8
poverty rate12.9%U.S. 12.5% · IA 11.1%
bachelor’s+ (25+)22.5%U.S. 35.6% · IA 31.8%
non-english8.8%U.S. 22.3% · IA 9.2%
race · ethnicity · ancestry
German28.3%
Irish11.2%
English10.7%
Mexican9.0%
Salvadoran0.5%
Puerto Rican0.4%
African American†1.7%
Burmese0.3%
Asian Indian0.3%
religion

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

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

Iowa 48th State Senate District

Akashic
Iowa 48th State Senate DistrictTrumpR+28.0
2024
2024 presidential margin for Iowa 48th State Senate DistrictThe boundary of Iowa 48th State Senate District, filled by its 2024 presidential margin (R+28.0), over faint outlines of the counties it is drawn from.Iowa 48th State Senate District · R+28.0
How it voted
Share of the 2024 vote
Donald Trump ✓Republican63.1%19,736
Kamala HarrisDemocratic35.1%10,981
Robert F. Kennedy Jr.We The People1.8%554
D+60
R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 4 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 (4 counties) — table
2024 presidential result by county for Iowa 48th State Senate District — winner and D-vs-R margin.
CountyWinnerMargin
Des Moines County, IARepublicanR+15.0
Henry County, IARepublicanR+35.9
Louisa County, IARepublicanR+40.9
Muscatine County, IARepublicanR+14.9
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
35.1%Harris10,981
63.1%Trump19,736
1.8%Kennedy554
−28.0%
31,271
R
38.7%Biden12,488
59.1%Trump19,076
2.2%Jorgensen707
−20.4%
32,271
R
37.3%Clinton11,306
55.7%Trump16,886
7.1%Johnson2,145
−18.4%
30,337
D
53.4%Obama16,455
46.6%Romney14,356
0.0%
+6.8%
30,811
D
53.5%Obama16,236
43.9%McCain13,325
2.5%Nader768
+9.6%
30,329
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: −28.0% in 2024.flipped R · 2016−28.0%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+9.6%
2012+6.8%
2016−18.4%
2020−20.4%
2024−28.0%
DemocraticRepublican
current representation
Current officeholders
RMark LofgrenState Senate · 48

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

The district recorded a Republican presidential margin of R+28.0 in 2024 and D+9.6 in 2008, switching sides at least once in between. About 83,900 residents lived here, with White alone at 83.4% in the 2024 ACS 5-year.

Across the recorded series it reached a Democratic high of 9.6 points in 2008 and a Republican high of 28.0 points in 2024. Between 2020 and 2024 the district moved 7.6 points toward the Republican candidate; the 2024 margin was 28.0 points.

A population of 63,720, a 85% non-Hispanic-white share, and a median household income of $69,749 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 13 and State Senate District 50.

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 13
Iowa
95.5twin score
12-yr trendelasticity% unaffiliated
State Senate District 50
Iowa
93.2twin score
12-yr trendelasticitycollege share
State Senate District 27
Iowa
92.5twin score
12-yr trend2020–2024 trajectoryelasticity

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 48th State Senate District. Akashic. https://akashic.app/sld-upper/19048/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Iowa at the ballot boxAll elections →
Presidentcounty detail2024US Senatestatewide2022Governorstate + county2022US Houseall districts2024

Places within Iowa 48th State Senate District

counties it covers4
Des Moines CountyHenry CountyLouisa CountyMuscatine County

Frequently asked questions

How did Iowa 48th State Senate District vote in 2024?
In 2024, Iowa 48th State Senate District voted Republican by 28.0 points (R+28.0), carried by the Republican candidate. Out of 31,271 votes cast, 10,981 went Democratic and 19,736 went Republican.
When did Iowa 48th State Senate District last vote Democratic?
The most recent presidential election in which Iowa 48th State Senate District voted Democratic was 2012.
How many people live in Iowa 48th State Senate District?
Iowa 48th State Senate District has a population of 63,720 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Iowa 48th State Senate District?
Median household income in Iowa 48th State Senate District is $69,749 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Iowa 48th State Senate District?
Akashic tracks 5 presidential elections in Iowa 48th State Senate District from 2008 to 2024. Of those, 2 went Democratic and 3 went Republican.