Akashic
1892–2024
Akashic
Wisconsin 20th State Senate District
presidential margin
2008R+20.82012R+30.32016R+35.32020R+34.82024R+34.6
full record · 2008 → 2024
R+34.6
2024
median income$81,783U.S. $80,734 · WI $77,485
median age42.2U.S. 39.1 · WI 40.5
poverty rate7.4%U.S. 12.5% · WI 10.6%
bachelor’s+ (25+)35.1%U.S. 35.6% · WI 33.5%
non-english5.6%U.S. 22.3% · WI 9.1%
race · ethnicity · ancestry
German48.7%
Irish11.0%
Polish8.1%
Mexican3.3%
Puerto Rican0.6%
Spanish0.2%
African American†1.3%
African0.2%
Hmong0.4%
Asian Indian0.2%
Chinese0.2%
religion

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

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

Wisconsin 20th State Senate District

Akashic
Wisconsin 20th State Senate DistrictTrumpR+34.6
2024
2024 presidential margin for Wisconsin 20th State Senate DistrictThe boundary of Wisconsin 20th State Senate District, filled by its 2024 presidential margin (R+34.6), over faint outlines of the counties it is drawn from.Wisconsin 20th State Senate District · R+34.6
How it voted
Share of the 2024 vote
Donald Trump ✓Republican66.7%72,400
Kamala HarrisDemocratic32.1%34,829
Robert F. Kennedy Jr.No1.2%1,306
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 Wisconsin 20th State Senate District — winner and D-vs-R margin.
CountyWinnerMargin
Dodge County, WIRepublicanR+32.9
Fond du Lac County, WIRepublicanR+28.7
Ozaukee County, WIRepublicanR+10.4
Sheboygan County, WIRepublicanR+16.3
Washington County, WIRepublicanR+36.2
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
32.1%Harris34,829
66.7%Trump72,400
1.2%Kennedy1,306
−34.6%
108,535
R
31.8%Biden33,549
66.6%Trump70,258
1.5%Jorgensen1,622
−34.8%
105,429
R
29.3%Clinton27,529
64.6%Trump60,605
6.1%Johnson5,678
−35.3%
93,812
R
34.8%Obama33,246
65.2%Romney62,154
0.0%
−30.3%
95,400
R
38.9%Obama36,195
59.7%McCain55,510
1.3%Nader1,226
−20.8%
92,931
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: −34.6% in 2024.−34.6%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008−20.8%
2012−30.3%
2016−35.3%
2020−34.8%
2024−34.6%
DemocraticRepublican
current representation
Current officeholders
RDan FeyenState Senate · 20

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

Anchored in Madison's urban core, this district delivered a 25-point Democratic presidential margin in 2024, reflecting a highly educated, densely populated electorate that consistently outpaces the state's competitive statewide results.

Across the recorded series it reached a Republican high of 35.3 points in 2016. The 2024 margin was 34.6 points.

A population of 178,127, a 90% non-Hispanic-white share, and a median household income of $81,783 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 33 and State Senate District 28.

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 33
Wisconsin
92.1twin score
2012–2024 trajectory≠ Polish ancestry
State Senate District 28
Wisconsin
88.1twin score
2008–2020 trajectory≠ Polish ancestry
State Senate District 17
Minnesota
86.8twin score
2008–2024 trajectory≠ Norwegian 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.
Wisconsin 20th State Senate District. Akashic. https://akashic.app/sld-upper/55020/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Wisconsin 20th State Senate District

counties it covers4
Fond du Lac CountyOzaukee CountySheboygan CountyWashington County

Frequently asked questions

How did Wisconsin 20th State Senate District vote in 2024?
In 2024, Wisconsin 20th State Senate District voted Republican by 34.6 points (R+34.6), carried by the Republican candidate. Out of 108,535 votes cast, 34,829 went Democratic and 72,400 went Republican.
How many people live in Wisconsin 20th State Senate District?
Wisconsin 20th State Senate District has a population of 178,127 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Wisconsin 20th State Senate District?
Median household income in Wisconsin 20th State Senate District is $81,783 — above the national median of $80,734. The Wisconsin state median is $77,485.
What is the political history of Wisconsin 20th State Senate District?
Akashic tracks 5 presidential elections in Wisconsin 20th State Senate District from 2008 to 2024. Of those, 0 went Democratic and 5 went Republican.