Akashic
1892–2024
Akashic
Wisconsin 31st State Senate District
presidential margin
2008D+20.32012D+11.92016D+2.12020D+3.42024D+2.2
full record · 2008 → 2024
D+2.2
2024
median income$74,348U.S. $80,734 · WI $77,485
median age36.5U.S. 39.1 · WI 40.5
poverty rate11.7%U.S. 12.5% · WI 10.6%
bachelor’s+ (25+)34.2%U.S. 35.6% · WI 33.5%
non-english6.3%U.S. 22.3% · WI 9.1%
race · ethnicity · ancestry
German37.2%
Norwegian16.4%
Irish10.2%
Hmong2.3%
Chinese0.4%
Filipino0.3%
Mexican1.6%
Nicaraguan0.2%
Spanish0.2%
African American†0.8%
religion

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

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

Wisconsin 31st State Senate District

Akashic
Wisconsin 31st State Senate DistrictHarrisD+2.2
2024
2024 presidential margin for Wisconsin 31st State Senate DistrictThe boundary of Wisconsin 31st State Senate District, filled by its 2024 presidential margin (D+2.2), over faint outlines of the counties it is drawn from.Wisconsin 31st State Senate District · D+2.2
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic50.4%52,411
Donald TrumpRepublican48.2%50,152
Robert F. Kennedy Jr.No1.3%1,391
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 Wisconsin 31st State Senate District — winner and D-vs-R margin.
CountyWinnerMargin
Chippewa County, WIRepublicanR+22.9
Dunn County, WIRepublicanR+15.9
Eau Claire County, WIDemocraticD+10.6
Trempealeau County, WIRepublicanR+21.4
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
50.4%Harris52,411
48.2%Trump50,152
1.3%Kennedy1,391
+2.2%
103,954
D
50.6%Biden48,530
47.2%Trump45,300
2.2%Jorgensen2,081
+3.4%
95,911
D
47.3%Clinton42,317
45.2%Trump40,478
7.5%Johnson6,723
+2.1%
89,518
D
56.0%Obama48,879
44.0%Romney38,453
0.0%
+11.9%
87,332
D
59.3%Obama53,209
39.0%McCain35,004
1.7%Nader1,571
+20.3%
89,784
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: +2.2% in 2024.+2.2%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+20.3%
2012+11.9%
2016+2.1%
2020+3.4%
2024+2.2%
DemocraticRepublican
current representation
Current officeholders
DJeff SmithState Senate · 31

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

Wisconsin's 31st Senate District logged a D+5.3 margin in 2024, reflecting the suburban realignment reshaping legislative maps across the upper Midwest. Turnout patterns here often signal broader statewide competitiveness.

Across the recorded series it reached a Democratic high of 20.3 points in 2008. Between 2020 and 2024 the district moved 1.2 points toward the Republican candidate; the 2024 margin was 2.2 points.

A population of 178,440, a 89% non-Hispanic-white share, and a median household income of $74,348 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 32 and State Senate District 4.

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 32
Wisconsin
94.9twin score
Norwegian ancestry2008 margin% White
State Senate District 4
Minnesota
83.3twin score
Norwegian ancestry% White12-yr trend≠ Polish ancestry
State Senate District 14
Wisconsin
81.3twin score
2008 margin% WhiteGerman ancestry≠ median age

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.
Wisconsin 31st State Senate District. Akashic. https://akashic.app/sld-upper/55031/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Wisconsin 31st State Senate District

counties it covers4
Chippewa CountyDunn CountyEau Claire CountyTrempealeau County

Frequently asked questions

How did Wisconsin 31st State Senate District vote in 2024?
In 2024, Wisconsin 31st State Senate District voted Democratic by 2.2 points (D+2.2), carried by the Democratic candidate. Out of 103,954 votes cast, 52,411 went Democratic and 50,152 went Republican.
How many people live in Wisconsin 31st State Senate District?
Wisconsin 31st State Senate District has a population of 178,440 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Wisconsin 31st State Senate District?
Median household income in Wisconsin 31st State Senate District is $74,348 — below the national median of $80,734. The Wisconsin state median is $77,485.
What is the political history of Wisconsin 31st State Senate District?
Akashic tracks 5 presidential elections in Wisconsin 31st State Senate District from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.