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

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

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

 

About 42% of adults in Wahiawa typically vote, below the U.S. average of about 62%. Among adults in Wahiawa, ~23% vote Democratic, ~19% Republican, and ~58% don't vote. The map below shows estimated turnout by block group.

How Wahiawa compares

Among cities within 25 miles, Wahiawa leans more Democratic than 16 of 34 neighbors.

Wahiawa runs about 12 points more Republican than Hawaii as a whole.

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

Areas with many never-married adults vote Democratic. About 38% of adults in Wahiawa have never been married, modestly above similar-sized cities (around 30%).

Cancer-screening access and voter turnout

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

Why turnout in Wahiawa looks the way it does

Renters vote less often than owners. About 45% of households in Wahiawa rent, about 20 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 23% of adults in Wahiawa report food insecurity, above 87% 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.