- Lead
- 17,852
- Total
- 26,886
- vs nation
- D+67.9
Wisconsin 18th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 18,523
- Total
- 27,545
- vs nation
- D+62.8
- Lead
- 18,286
- Total
- 27,497
- vs nation
- D+64.4
- Lead
- 20,822
- Total
- 30,555
- vs nation
- D+64.3
- Lead
- 20,011
- Total
- 29,454
- vs nation
- D+60.7
- Lead
- 17,378
- Total
- 28,619
- vs nation
- D+63.2
- Lead
- 14,323
- Total
- 25,438
- vs nation
- D+55.8
- Lead
- 12,931
- Total
- 22,256
- vs nation
- D+49.6
Key facts
- 2024 presidential margin
- D+66.4MIT Election Lab
- Population
- 59,3462024 5-year
- Population density
- 8,359 / sq mi2024 5-year · TIGER/Line
- Land area
- 7.1 sq miTIGER/Line
- Median household income
- $52,6312024 5-year
- White (non-Hispanic)
- 31.5%2024 5-year
- Black
- 52.5%2024 5-year
- Hispanic / Latino
- 7.1%2024 5-year
- Peak Democratic margin
- D+77.8 in 1936MIT Election Lab
- Peak Republican margin
- R+6.1 in 1924MIT Election Lab
- Most similar
- Assembly District 10, WI · twin score 99.3
presidential history
Party record book
Wisconsin 18th 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
86.1%
17,026 votes · D+77.8 · modeled estimate
Runner-up · Barack Obama, 2012 · 83.6%
Republican
Warren G. Harding1920
35.2%
2,344 votes · R+6.0 · a third-party candidate carried the Place · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 34.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2012
25,547votes
83.6% of the vote · D+68.1 · modeled estimate
Runner-up · Barack Obama, 2008 · 24,586 votes
Republican
Dwight D. Eisenhower1956
7,108votes
34.0% of the vote · D+31.2 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 6,802 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+52.5 · U.S. R+18.2 · modeled estimate
Runner-up · George McGovern, 1972 · +68.4 pts
Republican
Calvin Coolidge1924
−19.1pts R vs U.S.
Place R+6.1 · 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%19,448 | 30.6%8,588 | 28,036 |
Assembly District 18 sits in Milwaukee's urban core, where the 2024 presidential result ran 66.5 points Democratic — one of the widest margins of any state house district in Wisconsin.
Across the recorded series it reached a Democratic high of 77.8 points in 1936 and a Republican high of 6.1 points in 1924. Between 2020 and 2024 the district moved 0.8 points toward the Republican candidate; the 2024 margin was 66.4 points.
A population of 59,346, a 32% non-Hispanic-white share, and a median household income of $52,631 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 10 and Assembly District 17.
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 18th State House District. Akashic. https://akashic.app/sld-lower/55018/. Accessed May 20, 2026. License: CC BY 4.0.