96720 leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 54% of adults in 96720 typically vote, below the U.S. average of about 62%. Among adults in 96720, ~33% vote Democratic, ~20% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How 96720 compares
Among zip codes within 15 miles, 96720 leans more Democratic than 3 of 7 neighbors.
Politically, 96720 sits close to the rest of Hawaii.
Politics vary noticeably by block within 96720. The north side is the most Democratic-leaning (D+34) and the south side is the least Democratic-leaning (D+21), a spread of about 13 points.
Why 96720 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 96720, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 36% of adults in 96720 have never been married, about 7 points above the U.S. average of 29%.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 96720, HI sits in the top quarter nationally on this measure.
Why turnout in 96720 looks the way it does
Crowded housing lines up with lower turnout. About 7% of homes in 96720 have more than one occupant per room, above 92% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.