- Lead
- 18,575
- Total
- 35,312
- vs nation
- R+51.1
Kansas 12th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 17,988
- Total
- 35,316
- vs nation
- R+55.4
- Lead
- 15,767
- Total
- 32,136
- vs nation
- R+51.2
- Lead
- 12,625
- Total
- 31,576
- vs nation
- R+43.8
- Lead
- 10,772
- Total
- 33,805
- vs nation
- R+39.1
- Lead
- 12,362
- Total
- 34,227
- vs nation
- R+33.7
- Lead
- 7,887
- Total
- 30,806
- vs nation
- R+26.1
- Lead
- 4,843
- Total
- 31,216
- vs nation
- R+24.0
Key facts
- 2024 presidential margin
- R+52.6MIT Election Lab
- Population
- 72,2152024 5-year
- Population density
- 18 / sq mi2024 5-year · TIGER/Line
- Land area
- 4,011 sq miTIGER/Line
- Median household income
- $67,2532024 5-year
- White (non-Hispanic)
- 89.9%2024 5-year
- Black
- 0.9%2024 5-year
- Hispanic / Latino
- 3.0%2024 5-year
- Peak Democratic margin
- D+14.2 in 1912MIT Election Lab
- Peak Republican margin
- R+52.6 in 2024MIT Election Lab
- Most similar
- State Senate District 1, KS · twin score 97.0
presidential history
Party record book
Kansas 12th 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. Roosevelt1932
52.9%
23,802 votes · D+7.6 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 50.8%
Republican
Donald Trump2024
75.4%
26,622 votes · R+52.6 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 75.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1932
23,802votes
52.9% of the vote · D+7.6 · modeled estimate
Runner-up · Woodrow Wilson, 1916 · 20,938 votes
Republican
Herbert Hoover1928
31,842votes
75.2% of the vote · R+51.1 · modeled estimate
Runner-up · Wendell Willkie, 1940 · 30,375 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
Woodrow Wilson1916
+1.0pts D vs U.S.
Place D+4.1 · U.S. D+3.1 · modeled estimate
Runner-up · William J. Bryan, 1908 · −0.1 pts
Republican
Donald Trump2020
+55.4pts R vs U.S.
Place R+50.9 · U.S. D+4.5 · modeled estimate
Runner-up · Benjamin Harrison, 1892 · +51.2 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 | R | 26.9%9,034 | 73.1%24,498 | 33,532 |
| 2020 | R | 25.1%7,616 | 74.9%22,755 | 30,371 |
Kansas 12th State Senate District sits in the Great Plains. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 14.2 points in 1912 and a Republican high of 52.6 points in 2024. Between 2020 and 2024 the district moved 1.7 points toward the Republican candidate; the 2024 margin was 52.6 points.
A population of 72,215, a 90% non-Hispanic-white share, and a median household income of $67,253 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 1 and State Senate District 32.
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 →
Kansas 12th State Senate District. Akashic. https://akashic.app/sld-upper/20012/. Accessed May 20, 2026. License: CC BY 4.0.