- Lead
- 55,033
- Total
- 81,175
- vs nation
- D+69.3
Wisconsin 4th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 56,117
- Total
- 82,276
- vs nation
- D+63.7
- Lead
- 55,834
- Total
- 82,940
- vs nation
- D+65.2
- Lead
- 63,255
- Total
- 93,444
- vs nation
- D+63.8
- Lead
- 60,914
- Total
- 90,045
- vs nation
- D+60.4
- Lead
- 52,900
- Total
- 87,526
- vs nation
- D+62.9
- Lead
- 43,688
- Total
- 77,115
- vs nation
- D+56.1
- Lead
- 39,457
- Total
- 66,521
- vs nation
- D+50.8
Key facts
- 2024 presidential margin
- D+67.8MIT Election Lab
- Population
- 178,4192024 5-year
- Population density
- 3,956 / sq mi2024 5-year · TIGER/Line
- Land area
- 45.1 sq miTIGER/Line
- Median household income
- $51,8242024 5-year
- White (non-Hispanic)
- 24.7%2024 5-year
- Black
- 58.6%2024 5-year
- Hispanic / Latino
- 5.6%2024 5-year
- Peak Democratic margin
- D+78.4 in 1936MIT Election Lab
- Peak Republican margin
- R+7.7 in 1924MIT Election Lab
- Most similar
- State Senate District 6, WI · twin score 99.2
presidential history
Party record book
Wisconsin 4th State Senate 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
86.9%
52,030 votes · D+78.4 · modeled estimate
Runner-up · Barack Obama, 2012 · 83.5%
Republican
Warren G. Harding1920
38.4%
7,057 votes · R+5.9 · modeled estimate
Runner-up · William McKinley, 1896 · 34.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2012
78,046votes
83.5% of the vote · D+67.7 · modeled estimate
Runner-up · Barack Obama, 2008 · 75,116 votes
Republican
Dwight D. Eisenhower1956
21,656votes
34.1% of the vote · D+31.4 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 20,972 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
Walter Mondale1984
+70.8pts D vs U.S.
Place D+52.6 · U.S. R+18.2 · modeled estimate
Runner-up · Kamala Harris, 2024 · +69.3 pts
Republican
Calvin Coolidge1924
−17.5pts R vs U.S.
Place R+7.7 · U.S. R+25.2 · a third-party candidate carried the Place · modeled estimate
Runner-up · Warren G. Harding, 1920 · −20.2 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%58,469 | 30.6%25,820 | 84,289 |
Its Democratic presidential margin was D+67.8 in 2024 and D+67.6 in 2008. The district had about 174,000 residents, 50.5% White alone in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 78.4 points in 1936 and a Republican high of 7.7 points in 1924. The 2024 margin was 67.8 points.
A population of 178,419, a 25% non-Hispanic-white share, and a median household income of $51,824 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 6 and State Senate District 8.
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.
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 4th State Senate District. Akashic. https://akashic.app/sld-upper/55004/. Accessed May 20, 2026. License: CC BY 4.0.