Religious adherence is published only at the county level (U.S. Religion Census). See Honolulu County.
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.
Hawaii 18th State Senate District
Akashic
Hawaii 18th State Senate DistrictHarrisD+15.0
20082024
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic
56.7%
12,484
Donald TrumpRepublican
41.7%
9,187
Jill SteinG
1.5%
334
D+60R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 1 county it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (1 county) — table
2024 presidential result by county for Hawaii 18th State Senate District — winner and D-vs-R margin.
County
Winner
Margin
Honolulu County, HI
Democratic
D+21.7
Akashic
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year
Won
Democratic
Republican
Other
Margin
Total
D
56.7%Harris12,484
41.7%Trump9,187
1.5%Stein334
+15.0%
22,005
D
59.2%Biden14,035
39.2%Trump9,285
1.6%Jorgensen372
+20.0%
23,692
D
58.9%Clinton10,527
34.8%Trump6,218
6.3%Johnson1,132
+24.1%
17,877
D
68.0%Obama12,679
32.0%Romney5,967
0.0%
+36.0%
18,646
D
67.8%Obama13,183
31.1%McCain6,047
1.2%Nader225
+36.7%
19,455
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presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2008
+36.7%
2012
+36.0%
2016
+24.1%
2020
+20.0%
2024
+15.0%
DemocraticRepublican
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current representation
Current officeholders
DMichelle KidaniState Senate · 18
State legislative officeholder from OpenStates nightly current-legislator data.
Anchored in urban Honolulu, this district has delivered Democratic presidential margins exceeding 30 points in recent cycles, reflecting a dense, multiethnic electorate with deep roots in the state's labor and public-sector organizing tradition.
Across the recorded series it reached a Democratic high of 36.7 points in 2008. Between 2020 and 2024 the district moved 5.1 points toward the Republican candidate; the 2024 margin was 15.0 points.
A population of 54,566, a 10% non-Hispanic-white share, and a median household income of $123,157 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 16 and State Senate District 17.
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Political twins — state-senate districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Hawaii 18th State Senate District. Akashic. https://akashic.app/sld-upper/15018/. Accessed May 20, 2026. License: CC BY 4.0.
How did Hawaii 18th State Senate District vote in 2024?
In 2024, Hawaii 18th State Senate District voted Democratic by 15.0 points (D+15.0), carried by the Democratic candidate. Out of 22,005 votes cast, 12,484 went Democratic and 9,187 went Republican.
How many people live in Hawaii 18th State Senate District?
Hawaii 18th State Senate District has a population of 54,566 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Hawaii 18th State Senate District?
Median household income in Hawaii 18th State Senate District is $123,157 — above the national median of $80,734. The Hawaii state median is $100,389.
What is the political history of Hawaii 18th State Senate District?
Akashic tracks 5 presidential elections in Hawaii 18th State Senate District from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.
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