Hanapepe leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 46% of adults in Hanapepe typically vote, below the U.S. average of about 62%. Among adults in Hanapepe, ~27% vote Democratic, ~19% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.
How Hanapepe compares
Among cities within 25 miles, Hanapepe leans more Democratic than 9 of 23 neighbors.
Hanapepe runs about 6 points more Republican than Hawaii as a whole.
Why Hanapepe 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 Hanapepe, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 37% of adults in Hanapepe have never been married, modestly above similar-sized cities (around 27%).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Hanapepe, HI sits in the top tenth nationally on this measure.
Why turnout in Hanapepe looks the way it does
Renters vote less often than owners. About 33% of households in Hanapepe rent, about 8 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 24% of adults in Hanapepe report food insecurity, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Eleele, HI D+20
- Hanapepe Heights, HI D+24
- Kaumakani, HI D+24
- Kalaheo, HI D+20
- Lawai, HI D+27
- Waimea Kauai, HI D+18
- Kukuiula, HI D+31
- Koloa, HI D+25
- Kekaha, HI D+16
Cities with Similar Populations
- Marquette Heights, IL R+31
- South Hackensack, NJ R+9
- Jonesboro, IN R+51
- Townsend, TN R+60
- Bangs, TX R+66
- Britton, MI R+44
- Thornton, CA R+26
- Union Point, GA D+14
- Canadian Lakes, MI R+24
- Otter Lake, MI R+40
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.