Pearl Harbor, HI Political Map | Democrat & Republican Areas in Pearl Harbor

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

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

 

About 21% of adults in Pearl Harbor typically vote, below the U.S. average of about 62%. Among adults in Pearl Harbor, ~13% vote Democratic, ~9% Republican, and ~78% don't vote. The map below shows estimated turnout by block group.

How Pearl Harbor compares

Among cities within 25 miles, Pearl Harbor leans more Democratic than 29 of 35 neighbors.

Politically, Pearl Harbor sits close to the rest of Hawaii.

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

Areas with many never-married adults vote Democratic. About 80% of adults in Pearl Harbor have never been married, far above similar-sized cities (around 27%). High college attainment predicts Democratic voting, and Pearl Harbor sits in the top quarter (about 32%, above 77% of cities).

Cancer-screening access and voter turnout

Places with low colon-cancer-screening access tend to turn out at a lower rate; Pearl Harbor, 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 Pearl Harbor looks the way it does

Renters vote less often than owners. About 97% of households in Pearl Harbor rent, about 72 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and Pearl Harbor sits in the top quarter on routine-care measures. 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.