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

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

Kalaheo leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.

 

About 66% of adults in Kalaheo typically vote, near the U.S. average of about 62%. Among adults in Kalaheo, ~40% vote Democratic, ~26% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.

How Kalaheo compares

Among cities within 25 miles, Kalaheo leans more Democratic than 15 of 23 neighbors.

Politically, Kalaheo sits close to the rest of Hawaii.

Why Kalaheo 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 Kalaheo, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 38% of adults in Kalaheo hold a bachelor's degree, about 9 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 33% of adults in Kalaheo have never been married, above 83% of cities.

High-school completion, uninsured rate, and voter turnout

Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as Kalaheo, HI does.

Why turnout in Kalaheo looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Kalaheo is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 70%, about 10 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Kalaheo have completed high school, above 95% 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.