Kauai County, Hawaii
AkashicKauai County, HIHarrisD+19.5
2024 precinct map of Kauai CountyPrecinct-level 2024 presidential results for Kauai County, with each precinct boundary colored by Democratic-vs-Republican margin, and gold where an independent or third-party candidate carried the precinct.
How it voted
Share of the 2024 vote
| Kamala Harris ✓Democratic | 58.8% | 17,675 |
|---|---|---|
| Donald TrumpRepublican | 39.3% | 11,803 |
| Jill SteinGreen | 0.9% | 283 |
Harris +50Trump +50
16 precincts · 30,064 votes. Hover any precinct for its result.
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1960–2024.
38 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 58.8%Harris17,675 | 39.3%Trump11,803 | 0.9%Stein283 | 30,064 | ||
| D | 63.4%Biden21,225 | 34.6%Trump11,582 | 0.9%Jorgensen303 | 33,497 | ||
| D | 62.5%Clinton16,456 | 28.8%Trump7,574 | 3.9%Stein1,019 | 26,335 | ||
| D | 73.5%Obama18,641 | 24.1%Romney6,121 | 2.4%Johnson610 | 25,372 | ||
| D | 75.0%Obama20,416 | 22.9%McCain6,245 | 2.1%Nader563 | 27,224 | ||
| D | 60.0%Kerry14,916 | 39.2%Bush9,740 | 0.9%Cobb220 | 24,876 | ||
| D | 61.9%Gore13,470 | 30.2%Bush6,583 | 6.8%Nader1,474 | 21,773 | ||
| D | 63.5%Clinton13,357 | 25.3%Dole5,325 | 7.5%Perot1,568 | 21,020 | ||
| D | 56.0%Clinton10,715 | 32.8%Bush6,274 | 9.2%Perot1,756 | 19,127 | ||
| D | 58.1%Dukakis11,770 | 40.9%Bush8,298 | 1.0%Paul198 | 20,266 | ||
| R | 48.3%Mondale8,862 | 50.5%Reagan9,249 | 1.2%Bergland221 | 18,332 | ||
| D | 54.6%Carter9,081 | 35.4%Reagan5,883 | 10.0%Anderson1,657 | 16,621 | ||
| D | 55.8%Carter8,105 | 43.2%Ford6,278 | 1.0%Macbride139 | 14,522 | ||
| R | 41.6%McGovern5,401 | 58.4%Nixon7,571 | 0.0% | 12,972 | ||
| D | 62.1%Humphrey7,051 | 36.5%Nixon4,140 | 1.4%Wallace155 | 11,346 | ||
| D | 81.6%Johnson8,713 | 18.4%Goldwater1,971 | 0.0% | 10,684 | ||
| R | 45.0%Kennedy4,636 | 55.0%Nixon5,655 | 0.0% | 10,291 | ||
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presidential history
Presidential margin, 1960–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1960 | −9.9% |
| 1964 | +63.1% |
| 1968 | +25.7% |
| 1972 | −16.7% |
| 1976 | +12.6% |
| 1980 | +19.2% |
| 1984 | −2.1% |
| 1988 | +17.1% |
| 1992 | +23.2% |
| 1996 | +38.2% |
| 2000 | +31.6% |
| 2004 | +20.8% |
| 2008 | +52.1% |
| 2012 | +49.3% |
| 2016 | +33.7% |
| 2020 | +28.8% |
| 2024 | +19.5% |
DemocraticRepublican
voter registration
Registered voters
Total registered voters, over time
Registered voters
| Year | Total registered |
|---|---|
| 2016 | 44,332 |
| 2018 | 44,461 |
| 2020 | 47,253 |
| 2022 | 48,525 |
| 2024 | 48,139 |
Source: U.S. Election Assistance Commission (EAVS)
Kauai's small, geographically isolated electorate leans Democratic by roughly 20 points in presidential races, but land use, water rights, and resort development consistently drive local contests more than national partisan cues.
Across the recorded series it reached a Democratic high of 63.1 points in 1964 and a Republican high of 16.7 points in 1972. Between 2020 and 2024 the county moved 9.3 points toward the Republican candidate; the 2024 margin was 19.5 points.
A population of 73,731, a 29% non-Hispanic-white share, and a median household income of $97,668 describe the county. The county's voting pattern over the last decade is most similar to that of Maui County and Mora County.
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Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Kauai County, Hawaii. Akashic. https://akashic.app/county/15007/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Kauai County, Hawaii vote in 2024?
In 2024, Kauai County, Hawaii voted Democratic by 19.5 points (D+19.5), carried by the Democratic candidate. Out of 30,064 votes cast, 17,675 went Democratic and 11,803 went Republican.
When did Kauai County, Hawaii last vote Republican?
The most recent presidential election in which Kauai County, Hawaii voted Republican was 1984.
How many people live in Kauai County, Hawaii?
Kauai County, Hawaii has a population of 73,731 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Kauai County, Hawaii?
Median household income in Kauai County, Hawaii is $97,668 — above the national median of $80,734. The Hawaii state median is $100,389.
What is the political history of Kauai County, Hawaii?
Akashic tracks 38 presidential elections in Kauai County, Hawaii from 1876 to 2024. Of those, 14 went Democratic and 3 went Republican.