† Citizen voting-age population estimated for prior cycles; 2004 predates the ACS and is extrapolated. Source: ACS 5-year, table B05003.
——
D+60R+60
1 counties by 2024 margin · County returns · MIT Election Lab
People and households
Who lives here
Exact values for this place, its state, and the United States.
Race · ethnicity · ancestry
Communities and origins
GroupHilo-Kailua, HIHawaiiUnited States
German8.1%5.8%12.5%
English8.0%5.1%9.5%
Irish6.0%4.7%9.4%
Portuguese6.0%3.2%—
Italian2.5%2.1%4.8%
French1.5%1.2%1.6%
Scottish1.4%—1.3%
Norwegian1.4%——
Japanese8.5%11.7%0.2%
Filipino7.8%14.3%0.9%
Chinese1.4%4.1%1.3%
Korean0.4%1.4%0.4%
Vietnamese0.3%0.8%0.6%
Asian Indian0.2%0.2%1.4%
Thai0.2%0.2%—
Native Hawaiian9.0%6.1%—
Marshallese1.2%0.6%—
Samoan0.4%0.9%—
Puerto Rican4.4%3.3%1.8%
Mexican3.7%3.4%11.3%
Spanish1.5%1.3%—
Spaniard0.8%0.7%—
Chilean0.2%——
Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.
Age and life stage
Measure
Hilo-Kailua, HI
Hawaii
United States
Median age
44.3
41
39.1
Age 18–24
6.7%
8.0%
9.2%
Age 65 and older
23.8%
20.5%
17.2%
Household economy
Measure
Hilo-Kailua, HI
Hawaii
United States
Median household income
$78,639
$100,389
$84,427
Poverty rate
14.9%
10.0%
12.5%
Bachelor's degree or higher (25+)
31.4%
36.2%
35.6%
Languages at home
Measure
Hilo-Kailua, HI
Hawaii
United States
Speaks a non-English language at home
22.6%
24.7%
22.3%
Spanish
2.3%
2.1%
13.6%
Tagalog (incl. Filipino)
1.8%
4.4%
0.6%
Other Asian & Pacific Island
12.9%
11.6%
1.1%
Other languages
2.7%
0.9%
0.8%
Religious landscape
Measure
Hilo-Kailua, HI
Hawaii
United States
Catholic
19.3%
18.6%
18.6%
Evangelical Protestant
8.7%
8.9%
16.5%
Unclaimed / not counted
58.4%
59.7%
51.5%
Latter-day Saints
5.1%
4.4%
2.0%
American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations.
Hilo-Kailua, HI
presidential history
Presidential margin, 1960–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
1960
−2.9%
1964
+60.3%
1968
+24.1%
1972
−18.2%
1976
+1.9%
1980
+9.4%
1984
−7.3%
1988
+16.7%
1992
+20.2%
1996
+28.1%
2000
+22.8%
2004
+22.7%
2008
+53.7%
2012
+51.2%
2016
+36.6%
2020
+36.3%
2024
+28.3%
DemocraticRepublican
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year
Won
Democratic
Republican
Other
Margin
Swing
vs U.S.
Total
D
63.0%Harris52,163
34.7%Trump28,748
1.2%Stein955 +3
D+28.3
R+8.0
D+29.7
82,823
All 6 candidates in 2024 · 4 minor / independent
Kamala D HarrisDemocratic63.0%52,163
Donald J TrumpRepublican34.7%28,748
Jill SteinIndependent1.2%955
Chase OliverLibertarian0.6%492
Claudia De La CruzIndependent0.4%337
Peter SonskiIndependent0.2%128
D
66.9%Biden58,731
30.6%Trump26,897
2.5%
D+36.3
R+0.4
D+31.8
87,814
D
63.6%Clinton41,259
27.0%Trump17,501
9.4%
D+36.6
R+14.5
D+34.5
64,867
D
74.4%Obama47,224
23.2%Romney14,753
2.3%
D+51.2
R+2.6
D+47.3
63,454
D
75.9%Obama50,819
22.2%McCain14,866
1.8%
D+53.7
D+31.1
D+46.5
66,916
D
60.9%Kerry35,116
38.2%Bush22,032
1.0%
D+22.7
R+0.2
D+25.1
57,702
D
56.4%Gore28,670
33.5%Bush17,050
10.1%
D+22.8
R+5.2
D+22.3
50,860
D
55.7%Clinton27,262
27.6%Dole13,516
16.7%
D+28.1
D+7.9
D+19.5
48,977
D
50.5%Clinton25,725
30.4%Bush15,460
19.1%
D+20.2
D+3.5
D+14.6
50,916
D
57.7%Dukakis24,091
41.0%Bush17,125
1.3%
D+16.7
D+23.9
D+24.4
41,768
R
45.6%Mondale17,866
52.9%Reagan20,707
1.5%
R+7.3
R+16.7
D+11.0
39,143
D
49.2%Carter17,630
39.7%Reagan14,247
11.1%
D+9.4
D+7.6
D+19.2
35,861
D
50.2%Carter15,960
48.4%Ford15,366
1.4%
D+1.9
D+20.1
R+0.2
31,765
R
40.9%McGovern11,652
59.1%Nixon16,832
0.0%
R+18.2
R+42.3
D+5.0
28,484
D
61.5%Humphrey15,819
37.4%Nixon9,625
1.1%
D+24.1
R+36.2
D+24.8
25,727
D
80.1%Johnson20,011
19.9%Goldwater4,962
0.0%
D+60.3
D+63.2
D+37.7
24,973
R
48.5%Kennedy11,557
51.5%Nixon12,251
0.0%
R+2.9
—
R+3.1
23,808
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Congressional elections · 3 Senate races
U.S. Senate
Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year
Won
Democratic
Republican
Total
2024
D
67.9%54,691
28.3%22,747
80,517
2022
D
72.9%46,096
24.0%15,156
63,234
2018
D
74.3%43,348
25.7%15,031
58,379
voter registration
Registered voters
Total registered voters, over time
Registered voters
Voter registration in Hilo-Kailua, HI
Year
Total registered
2016
114,649
2018
115,406
2020
127,348
2022
131,275
2024
135,537
domestic migration
Who moves in and out
Net domestic migration over time
+288 net domestic migration · 2025
20112025
Net +11,485 over 2011–2025 · gain loss
Domestic migration in Hilo-Kailua, HI in Hilo-Kailua, HI: net domestic migration by year
Year
Net domestic migration
2011
+38
2012
+458
2013
+929
2014
+1,127
2015
+1,062
2016
+884
2017
+704
2018
+849
2019
−643
2021
+2,730
2022
+1,701
2023
+750
2024
+608
2025
+288
The Big Island's largest metro blends Native Hawaiian communities, Japanese-American working-class neighborhoods, and a university town in Hilo — a mix that has delivered Democrats double-digit margins in most statewide contests.
Across the recorded series it reached a Democratic high of 60.3 points in 1964 and a Republican high of 18.2 points in 1972. Between 2020 and 2024 the metro moved 8.0 points toward the Republican candidate; the 2024 margin was 28.3 points.
A population of 205,769, a 30% non-Hispanic-white share, and a median household income of $78,639 describe the metro. The metro's voting pattern over the last decade is most similar to that of Kahului-Wailuku, HI and Kapaa, HI.
Akashic
Political twins — metros
The metros 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.
Hilo-Kailua, HI, Hawaii. Akashic. https://akashic.app/cbsa/25900/. Accessed May 20, 2026. License: CC BY 4.0.
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In 2024, Hilo-Kailua, HI, Hawaii voted Democratic by 28.3 points (D+28.3), carried by the Democratic candidate. Out of 82,823 votes cast, 52,163 went Democratic and 28,748 went Republican.
When did Hilo-Kailua, HI, Hawaii last vote Republican?
The most recent presidential election in which Hilo-Kailua, HI, Hawaii voted Republican was 1984.
How many people live in Hilo-Kailua, HI, Hawaii?
Hilo-Kailua, HI, Hawaii has a population of 205,769 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Hilo-Kailua, HI, Hawaii?
Median household income in Hilo-Kailua, HI, Hawaii is $78,639 — below the national median of $80,734. The Hawaii state median is $100,389.
What is the political history of Hilo-Kailua, HI, Hawaii?
Akashic tracks 34 presidential elections in Hilo-Kailua, HI, Hawaii from 1892 to 2024. Of those, 14 went Democratic and 3 went Republican.
