- Lead
- 1,577
- Total
- 12,946
- vs nation
- D+13.7
Kansas 18th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 1,385
- Total
- 13,785
- vs nation
- D+5.6
- Lead
- 46
- Total
- 12,228
- vs nation
- R+2.5
- Lead
- 1,713
- Total
- 11,303
- vs nation
- R+19.0
- Lead
- 758
- Total
- 11,746
- vs nation
- R+13.7
- Lead
- 2,240
- Total
- 10,626
- vs nation
- R+18.6
- Lead
- 1,887
- Total
- 8,956
- vs nation
- R+21.6
- Lead
- 1,553
- Total
- 7,897
- vs nation
- R+28.2
Key facts
- 2024 presidential margin
- D+12.2MIT Election Lab
- Population
- 23,6932024 5-year
- Population density
- 3,202 / sq mi2024 5-year · TIGER/Line
- Land area
- 7.4 sq miTIGER/Line
- Median household income
- $89,8762024 5-year
- White (non-Hispanic)
- 75.2%2024 5-year
- Black
- 4.4%2024 5-year
- Hispanic / Latino
- 11.3%2024 5-year
- Peak Democratic margin
- D+19.6 in 1912MIT Election Lab
- Peak Republican margin
- R+48.5 in 1972MIT Election Lab
- Most similar
- State House District 17, KS · twin score 94.5
presidential history
Party record book
Kansas 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
Kamala Harris2024
55.0%
7,121 votes · D+12.2 · modeled estimate
Runner-up · Joe Biden, 2020 · 53.5%
Republican
Richard Nixon1972
73.2%
3,062 votes · R+48.5 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 71.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
7,376votes
53.5% of the vote · D+10.0 · modeled estimate
Runner-up · Kamala Harris, 2024 · 7,121 votes
Republican
Mitt Romney2012
6,375votes
56.4% of the vote · R+15.2 · modeled estimate
Runner-up · George W. Bush, 2004 · 6,369 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
+13.7pts D vs U.S.
Place D+12.2 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +5.6 pts
Republican
Benjamin Harrison1892
+48.8pts R vs U.S.
Place R+47.2 · U.S. D+1.7 · a third-party candidate carried the Place · modeled estimate
Runner-up · Thomas E. Dewey, 1944 · +40.1 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 | 57.2%7,148 | 42.8%5,344 | 12,492 |
With a 2024 presidential margin of D+12.2 in a state that typically runs red at the statewide level, this 23,000-person district stands out as a consistent Democratic anchor within the Kansas House map.
Across the recorded series it reached a Democratic high of 19.6 points in 1912 and a Republican high of 48.5 points in 1972. Between 2020 and 2024 the district moved 2.1 points toward the Democratic candidate; the 2024 margin was 12.2 points.
A population of 23,693, a 75% non-Hispanic-white share, and a median household income of $89,876 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 17 and State House District 19.
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 →
Kansas 18th State House District. Akashic. https://akashic.app/sld-lower/20018/. Accessed May 20, 2026. License: CC BY 4.0.