Triumph, ID Political Map | Democrat & Republican Areas in Triumph

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

Triumph leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.

 

About 70% of adults in Triumph typically vote, above the U.S. average of about 62%. Among adults in Triumph, ~39% vote Democratic, ~32% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.

How Triumph compares

Among cities within 25 miles, Triumph leans more Democratic than 1 of 7 neighbors.

Triumph runs about 46 points more Democratic than Idaho as a whole. Idaho leans Republican overall, while Triumph is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within Triumph. The southeast side runs the most Democratic (D+14) and the northeast side runs the most Republican (R+64), a spread of about 78 points.

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

Areas with high college attainment vote Democratic. About 66% of adults in Triumph hold a bachelor's degree, about 38 points above the U.S. average of 28%. Triumph runs against the grain of Idaho, a Democratic-leaning pocket in a Republican-leaning state.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Triumph, ID 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 Triumph looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Triumph 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 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and more than 99% of adults in Triumph have completed high school, in the top fraction 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 Idaho Secretary of State, 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. Full methodology and findings: political spectrum map.

Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.