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

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

Kahului leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.

 

About 44% of adults in Kahului typically vote, below the U.S. average of about 62%. Among adults in Kahului, ~26% vote Democratic, ~18% Republican, and ~56% don't vote. The map below shows estimated turnout by block group.

How Kahului compares

Among cities within 25 miles, Kahului leans more Democratic than 9 of 24 neighbors.

Kahului runs about 5 points more Republican than Hawaii as a whole.

Why Kahului leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Kahului. The lean here lands roughly where demographic data alone would predict.

Cancer-screening access and voter turnout

Places with low colon-cancer-screening access tend to turn out at a lower rate; Kahului, HI sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Kahului looks the way it does

Crowded housing lines up with lower turnout. About 14% of homes in Kahului have more than one occupant per room, above 98% of cities. Renters vote less often than owners, and about 35% of households in Kahului rent, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.

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.