Mauna Loa, HI Political Map | Democrat & Republican Areas in Mauna Loa

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

Mauna Loa leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.

 

About 49% of adults in Mauna Loa typically vote, below the U.S. average of about 62%. Among adults in Mauna Loa, ~28% vote Democratic, ~21% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.

How Mauna Loa compares

Among cities within 25 miles, Mauna Loa is the least Democratic-leaning.

Mauna Loa runs about 10 points more Republican than Hawaii as a whole.

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

Areas with high college attainment vote Democratic. About 35% of adults in Mauna Loa hold a bachelor's degree, about 6 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 35% of adults in Mauna Loa have never been married, above 87% of cities.

Cancer-screening access and voter turnout

Places with low colon-cancer-screening access tend to turn out at a lower rate; Mauna Loa, HI sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Mauna Loa looks the way it does

Areas with high food insecurity turn out at lower rates. About 27% of adults in Mauna Loa report food insecurity, about 11 points above the U.S. average of 16%. Renters vote less often than owners, and about 33% of households in Mauna Loa rent, above 89% of 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.