Kauai County, HI

HI · Presidential Elections 1960–2024

D+19.5
2024 Margin
R+9.3%
2020→2024 Swing
D since 1988
Voting Streak
74K
Population

Kauai County, HI (Hawaii) voted D+19.5 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 17,675 votes (58.79%) to 11,803 (39.26%) for Trump.

This represents a R+9.3% swing toward Republicans compared to 2020. Kauai County is classified as a solid Democratic county. Kauai County has voted Democratic in every presidential election since 1988. The county has a population of approximately 73,731.

Quick Stats

2024 ResultD+19.5
2020→2024 SwingR+9.3%
Voting StreakD since 1988
Elections on Record17

Demographics

Population73,731
Median Age
43.1(US: 38.7)
College (BA+)
30.1%(US: 35.2%)
Median Income
$97,668(US: $80k)
White (non-Hisp)
29.0%(US: 57.6%)
Hispanic
10.6%(US: 19.1%)
Asian
29.4%(US: 5.7%)
Homeownership
68.6%(US: 64.5%)
Poverty Rate
9.1%(US: 12.3%)
Veterans
6.4%(US: 6.2%)
Non-English (CVAP)
14.5%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Catholic
19.3%
Evangelical
9.8%(Below Average)
LDS/Mormon
5.9%(Major Center)
Mainline Protestant
3.4%
Black Protestant
1.8%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

German
6.8%
Irish
6.3%
English
6.0%
Portuguese
5.3%Major Concentration(13.7x)
Puerto Rican
3.2%Above Average(1.9x)
Italian
3.1%
+ 3 more reported ancestry groups

Age Distribution

Median:43.1 yrs(US: 38.5)
Under 18
21.2%
18-29
6.4%↓
30-44
18.0%
45-64
32.0%↑
65+
22.4%↑
National average

Employment by Industry

Census ACS
Educational ServicesMajor Specialization
19.4%(2.3x US)
Professional & Technical
11.4%
Retail Trade
11.2%
Construction
7.8%(1.2x US)
Healthcare & Social Services
5.1%(1.1x US)
Agriculture & Forestry
2.1%(1.2x US)
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202458.8%(17,675)39.3%(11,803)D+19.5R+9.3
202063.4%(21,225)34.6%(11,582)D+28.8R+4.9
201662.5%(16,456)28.8%(7,574)D+33.7R+15.6
201273.5%(18,641)24.1%(6,121)D+49.3R+2.7
200875.0%(20,416)22.9%(6,245)D+52.1D+31.2
200460.0%(14,916)39.1%(9,740)D+20.8R+10.8
200061.9%(13,470)30.2%(6,583)D+31.6R+6.6
199663.5%(13,357)25.3%(5,325)D+38.2D+15.0
199256.0%(10,715)32.8%(6,274)D+23.2D+6.1
198858.1%(11,770)41.0%(8,298)D+17.1D+19.2

Source: Official state election returns via MIT Election Data + Science Lab

Presidential Margin Trend

Kauai County, HI • 1960–2024

D+R++60+40+200-20-40-60196019681976198419922000200820162024
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202466.4%(18,934)30.0%(8,537)D+36.5R+11.5
202272.3%(16,974)24.3%(5,711)D+48.0R+2.3
201875.2%(18,510)24.8%(6,120)D+50.3R+6.8
201676.1%(19,015)19.0%(4,745)D+57.1D+7.4
201473.7%(16,189)23.9%(5,250)D+49.8D+6.6
201271.6%(17,973)28.4%(7,134)D+43.2R+18.5
201078.7%(17,192)17.1%(3,732)D+61.6D+19.7
200670.1%(14,505)28.1%(5,817)D+42.0R+21.3
200479.8%(18,838)16.5%(3,891)D+63.3D+1.2
200079.1%(16,039)17.1%(3,462)D+62.0R+8.6

Source: Official state election returns via MIT Election Data + Science Lab

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202259.5%(14,296)40.5%(9,722)D+19.0R+12.1
201863.9%(15,868)32.8%(8,135)D+31.1D+10.0
201453.1%(12,451)32.0%(7,495)D+21.2D+0.8
201059.8%(13,559)39.5%(8,953)D+20.3D+26.6
200645.4%(9,505)51.7%(10,814)R+6.3R+23.3
200257.8%(13,352)40.8%(9,426)D+17.0D+1.6
199857.5%(13,764)42.0%(10,065)D+15.4R+9.7
199444.7%(9,674)19.6%(4,241)D+25.1R+24.3
199073.7%(15,088)24.4%(4,984)D+49.4D+31.5
198658.9%(11,088)41.1%(7,723)D+17.9R+20.5

Source: Official state election returns via MIT Election Data + Science Lab

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