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

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

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

 

About 53% of adults in Aiea typically vote, below the U.S. average of about 62%. Among adults in Aiea, ~32% vote Democratic, ~21% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.

How Aiea compares

Among cities within 25 miles, Aiea leans more Democratic than 30 of 35 neighbors.

Politically, Aiea sits close to the rest of Hawaii.

Politics vary noticeably by neighborhood within Aiea. The northeast side is the most Democratic-leaning (D+27) and the south side is the least Democratic-leaning (D+8), a spread of about 19 points.

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

Areas with high college attainment vote Democratic. About 39% of adults in Aiea hold a bachelor's degree, about 10 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 32% of adults in Aiea have never been married, above 81% of cities.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Aiea, HI sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Aiea looks the way it does

Renters vote less often than owners. About 32% of households in Aiea rent, about 7 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and Aiea sits in the top quarter on routine-care measures. Crowded housing lines up with lower turnout, and about 6% of homes in Aiea have more than one occupant per room, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.

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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.