Kilauea, HI Political Map | Democrat & Republican Areas in Kilauea

By the BestNeighborhood data science team. Last updated May 2026.

Kilauea leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.

 

About 59% of adults in Kilauea typically vote, near the U.S. average of about 62%. Among adults in Kilauea, ~32% vote Democratic, ~27% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.

How Kilauea compares

Among cities within 25 miles, Kilauea is the least Democratic-leaning.

Kilauea runs about 13 points more Republican than Hawaii as a whole.

Why Kilauea leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Kilauea, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 33% of adults in Kilauea hold a bachelor's degree, above 79% of cities. A high never-married share predicts Democratic voting, and about 35% of adults in Kilauea have never been married, above 88% of cities.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Kilauea, HI sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Kilauea looks the way it does

Crowded housing lines up with lower turnout. About 9% of homes in Kilauea have more than one occupant per room, above 96% of cities. Strong routine healthcare access lines up with higher turnout, and Kilauea sits in the top quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.

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Sources and methodology

Precinct-level voting records used to fit the model come from Hawaii Office of Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.

Modeling and analysis by the BestNeighborhood data science team. Some land-use inputs for Hawaii, including walkability and the environmental-justice index, are estimated rather than measured, so the figures here carry added uncertainty. Full methodology and findings: political spectrum map.

Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.