Mililani Waipio Melemanu leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 58% of adults in Mililani Waipio Melemanu typically vote, near the U.S. average of about 62%. Among adults in Mililani Waipio Melemanu, ~34% vote Democratic, ~24% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Mililani Waipio Melemanu compares
Among neighborhoods within 5 miles, Mililani Waipio Melemanu is the most Democratic-leaning.
Mililani Waipio Melemanu runs about 6 points more Republican than Hawaii as a whole.
Why Mililani Waipio Melemanu leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Mililani Waipio Melemanu. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Mililani Waipio Melemanu, Mililani, HI sits in the top quarter nationally on this measure.
Why turnout in Mililani Waipio Melemanu looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Mililani Waipio Melemanu is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 74%, about 14 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Mililani Mauka-Launani Valley, Mililani, HI D+16
- Pearl Highlands, Pearl City, HI D+16
- West Loch, Waipahu, HI D+9
- Ewa, Ewa Beach, HI D+6
- Makakilo-Kapolei-Honokai Hale, Kapolei, HI D+8
- Airport, Honolulu, HI D+8
- Aliamanu, Honolulu, HI D+13
- Moanalua, Honolulu, HI D+13
- Kahaluu, Kaneohe, HI D+21
- North Shore Waialua, Waialua, HI D+20
Neighborhoods with Similar Populations
- Olney, Philadelphia, PA D+68
- Capitol, Madison, WI D+61
- Holmesburg, Philadelphia, PA D+22
- Ashburn, Chicago, IL D+56
- West Lawn, Chicago, IL D+32
- Aliamanu, Honolulu, HI D+13
- North Side, Mount Vernon, NY D+61
- Laurelton, Queens, NY D+82
- Kips Bay, Manhattan, NY D+62
- Deanwood, Washington, DC D+86
All Local Stats
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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.