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

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

Viola leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.

 

About 92% of adults in Viola typically vote, above the U.S. average of about 62%. Among adults in Viola, ~25% vote Democratic, ~67% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.

How Viola compares

Among cities within 25 miles, Viola leans more Republican than 10 of 30 neighbors.

Viola runs about 9 points more Republican than Idaho as a whole.

Politics vary noticeably by neighborhood within Viola. The east side is the most Republican-leaning (R+54) and the southeast side is the least Republican-leaning (R+36), a spread of about 19 points.

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

Areas with many family households vote Republican. About 81% of households in Viola are family households, about 15 points above the U.S. average of 67%.

Walkability and Republican lean

Places with a low walkability score tend to lean Republican; Viola, ID sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Viola looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Viola 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 71%, about 11 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 99% of households in Viola own their home, compared to around 75% in nearby cities. High high-school completion lines up with higher turnout, and more than 99% of adults in Viola 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.