- Lead
- 6,407
- Total
- 34,002
- vs nation
- D+20.3
Wisconsin 20th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 6,243
- Total
- 33,913
- vs nation
- D+14.0
- Lead
- 4,406
- Total
- 31,531
- vs nation
- D+11.9
- Lead
- 4,046
- Total
- 35,087
- vs nation
- D+7.7
- Lead
- 3,863
- Total
- 33,822
- vs nation
- D+4.1
- Lead
- 490
- Total
- 35,559
- vs nation
- D+1.1
- Lead
- 1,426
- Total
- 32,307
- vs nation
- R+4.9
- Lead
- 902
- Total
- 27,366
- vs nation
- R+5.2
Key facts
- 2024 presidential margin
- D+18.8MIT Election Lab
- Population
- 59,2002024 5-year
- Population density
- 4,290 / sq mi2024 5-year · TIGER/Line
- Land area
- 13.8 sq miTIGER/Line
- Median household income
- $69,8282024 5-year
- White (non-Hispanic)
- 76.1%2024 5-year
- Black
- 3.6%2024 5-year
- Hispanic / Latino
- 13.6%2024 5-year
- Peak Democratic margin
- D+37.4 in 1936MIT Election Lab
- Peak Republican margin
- R+46.7 in 1920MIT Election Lab
- Most similar
- Assembly District 14, WI · twin score 93.2
presidential history
Party record book
Wisconsin 20th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1936
64.7%
12,925 votes · D+37.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 58.6%
Republican
James A. Garfield1880
69.1%
1,405 votes · R+38.5 · modeled estimate
Runner-up · William McKinley, 1896 · 68.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
19,925votes
58.6% of the vote · D+18.8 · modeled estimate
Runner-up · Joe Biden, 2020 · 19,772 votes
Republican
Dwight D. Eisenhower1956
22,395votes
68.0% of the vote · R+36.6 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 21,659 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Kamala Harris2024
+20.3pts D vs U.S.
Place D+18.8 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +14.0 pts
Republican
William McKinley1896
+32.7pts R vs U.S.
Place R+38.7 · U.S. R+6.1 · modeled estimate
Runner-up · William McKinley, 1900 · +28.9 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 69.4%19,400 | 30.6%8,567 | 27,967 |
Assembly District 20 anchors a dense urban core where the 2024 presidential margin exceeded 25 points Democratic — a consistency that makes it a reliable baseline for tracking citywide turnout shifts rather than competitive swings.
Across the recorded series it reached a Democratic high of 37.4 points in 1936 and a Republican high of 46.7 points in 1920. The 2024 margin was 18.8 points.
A population of 59,200, a 76% non-Hispanic-white share, and a median household income of $69,828 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 14 and Assembly District 21.
The state-house 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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Wisconsin 20th State House District. Akashic. https://akashic.app/sld-lower/55020/. Accessed May 20, 2026. License: CC BY 4.0.