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

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

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

 

About 52% of adults in Pearl City typically vote, below the U.S. average of about 62%. Among adults in Pearl City, ~31% vote Democratic, ~21% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.

How Pearl City compares

Among cities within 25 miles, Pearl City leans more Democratic than 23 of 35 neighbors.

Pearl City runs about 6 points more Republican than Hawaii as a whole.

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

Areas with high college attainment vote Democratic. About 33% of adults in Pearl City hold a bachelor's degree, above 80% of cities. A high never-married share predicts Democratic voting, and about 32% of adults in Pearl City have never been married, above 81% of cities.

Population density and Democratic lean

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

Why turnout in Pearl City looks the way it does

Crowded housing lines up with lower turnout. About 8% of homes in Pearl City have more than one occupant per room, above 94% of cities. Strong routine healthcare access lines up with higher turnout, and Pearl City sits in the top quarter on routine-care measures. Renters vote less often than owners, and about 28% of households in Pearl City rent, compared to around 52% in nearby 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.