akashic
1876–2024
Kapaa, HI·Hawaii

Kapaa, HI has voted Democratic in ten straight presidential elections — D+20 in 2024.

1876 — 2024·38 elections
HI
LatestD+20in 2024
TypologyFlorida Surgecluster typology
Population73,7312024 ACS

Kapaa, HI, Hawaii: Florida Surge metro. In 2024, voted D+20%. Democratic peak: D+63 in 1964.

Key facts

2024 presidential margin
D+20MIT Election Lab
Political typology
Florida SurgeAkashic typology
Population
73,7312024 5-year
Median household income
$97,6682024 5-year
White (non-Hispanic)
29.7%2024 5-year
Black
0.9%2024 5-year
Hispanic / Latino
10.6%2024 5-year
Peak Democratic margin
D+63 in 1964MIT Election Lab
Peak Republican margin
R+17 in 1972MIT Election Lab
2024 presidential election
Kapaa, HI
HarrisD+20
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How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic58.8%17,675
Donald TrumpRepublican39.3%11,803
OtherAll other candidates1.9%586
D+60
R+60
1 counties, each filled by 2024 D-vs-R margin.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1876 to 2024. Most recent: +19.5% in 2024.flipped D · 1988+19.5%DR18762024
Presidential margin over time
YearMargin (D minus R)
1876No data
1880No data
1884No data
1888No data
1892No data
1896No data
1900No data
1904No data
1908No data
1912No data
1916No data
1920No data
1924No data
1928No data
1932No data
1936No data
1940No data
1944No data
1948No data
1952No data
1956No data
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
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+19.5%
17,67511,80330,064
D
+28.8%
21,22511,58233,497
D
+33.7%
16,4567,57426,335
D
+49.3%
18,6416,12125,372
D
+52.1%
20,4166,24527,224
D
+20.8%
14,9169,74024,876
D
+31.6%
13,4706,58321,773
D
+38.2%
13,3575,32521,020
D
+23.2%
10,7156,27419,127
D
+17.1%
11,7708,29820,266
R
−2.1%
8,8629,24918,332
D
+19.2%
9,0815,88316,621
D
+12.6%
8,1056,27814,522
R
−16.7%
5,4017,57112,972
D
+25.7%
7,0514,14011,346
D
+63.1%
8,7131,97110,684
R
−9.9%
4,6365,65510,291
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Demographics

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
6.8%
Irish
6.3%
English
6.0%
Italian
3.1%
French
1.8%
Scottish
1.3%
American
1.2%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 43.1 in this county, 39.1 nationally
Male
Age
Female
1.0%
85+
1.4%
3.0%
75–84
3.8%
6.5%
65–74
6.7%
6.5%
55–64
6.8%
5.9%
45–54
6.0%
6.8%
35–44
6.6%
5.5%
25–34
5.8%
3.4%
18–24
3.0%
8.1%
5–17
7.7%
2.7%
<5
2.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$97,668
Kapaa, HI ranks near the middle of US counties.
Kapaa, HI$97,668
Hawaii$100,389
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
9.1%
Child poverty is below the national average.
Children under 1811.5%
Working age (18–64)8.2%
Seniors (65+)10.1%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
81.7%
speak English only
Asian & Pacific Islander14.4%
Other Indo-European1.7%
Spanish1.2%
Other languages0.9%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
19.3%
Other Christian
15.2%
Non-Christian
3.7%
Mainline Protestant
3.2%
Pentecostal & Holiness
2.7%
Baptist
2.5%
Methodist
0.3%
Source · 2020 US Religion Census. Remaining 53.1% of residents not counted as adherents by any reporting body.

Kapaa, HI sits in the Pacific. In 2024 it voted Democratic.

Across the recorded series it reached a Democratic high of sixty-three points in 1964 and a Republican high of seventeen points in 1972. Between 2020 and 2024 the metro moved nine points toward the Republican candidate; the 2024 margin was twenty points.

A population of 73,731, a 30% non-Hispanic-white share, and a median household income of $97,668 describe the metro.

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.
Kapaa, HI, Hawaii. Akashic. https://akashic.app/cbsa/28180/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Kapaa, HI, Hawaii vote in 2024?
In 2024, Kapaa, HI, Hawaii voted Democratic by 19.5 points (D+20), carried by the Democratic candidate. Out of 30,064 votes cast, 17,675 went Democratic and 11,803 went Republican.
What is Kapaa, HI, Hawaii's political typology?
Akashic places Kapaa, HI, Hawaii in the "Florida Surge" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the metro has voted Democratic 14 times, Republican 3 times, and other 0 times.
When did Kapaa, HI, Hawaii last vote Republican?
The most recent presidential election in which Kapaa, HI, Hawaii voted Republican was 1984.
How many people live in Kapaa, HI, Hawaii?
Kapaa, HI, 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 Kapaa, HI, Hawaii?
Median household income in Kapaa, HI, Hawaii is $97,668 — above the national median of $80,734. The Hawaii state median is $100,389.
What is the political history of Kapaa, HI, Hawaii?
Akashic tracks 38 presidential elections in Kapaa, HI, Hawaii from 1876 to 2024. Of those, 14 went Democratic and 3 went Republican. The metro's typology — "Florida Surge" — captures where that record, its demographics, and its recent swing place it among American communities.