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

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

Keaau leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.

 

About 59% of adults in Keaau typically vote, near the U.S. average of about 62%. Among adults in Keaau, ~33% vote Democratic, ~26% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.

How Keaau compares

Among cities within 25 miles, Keaau leans more Democratic than 1 of 24 neighbors.

Keaau runs about 11 points more Republican than Hawaii as a whole.

Politics vary noticeably by neighborhood within Keaau. The north side runs the most Democratic (D+26) and the south side runs the most Republican (Even), a spread of about 27 points.

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

Areas with many never-married adults vote Democratic. About 34% of adults in Keaau have never been married, modestly above similar-sized cities (around 28%).

Population density and Democratic lean

Places with high population density tend to lean Democratic; Keaau, HI sits in the top quarter nationally on this measure.

Why turnout in Keaau looks the way it does

Areas with high food insecurity turn out at lower rates. About 26% of adults in Keaau report food insecurity, about 10 points above the U.S. average of 16%. 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.