Euclid Ave South leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 85% of adults in Euclid Ave South typically vote, above the U.S. average of about 62%. Among adults in Euclid Ave South, ~54% vote Democratic, ~31% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How Euclid Ave South compares
Among neighborhoods within 5 miles, Euclid Ave South leans more Democratic than 3 of 5 neighbors.
Euclid Ave South runs about 47 points more Democratic than Montana as a whole. Montana leans Republican overall, while Euclid Ave South is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Euclid Ave South. The east side is the most Democratic-leaning (D+39) and the northwest side is the least Democratic-leaning (D+17), a spread of about 22 points.
Why Euclid Ave South leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Euclid Ave South, not a ranked or complete list of what matters most.
Euclid Ave South votes against the grain of Montana. Montana leans Republican overall, while Euclid Ave South runs about 47 points more Democratic. High college attainment predicts Democratic voting, and Euclid Ave South sits in the top quarter (about 64%, above 85% of neighborhoods).
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Euclid Ave South, Helena, MT does.
Why turnout in Euclid Ave South looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in Euclid Ave South have completed high school, about 8 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
Neighborhoods with Similar Populations
- New Irving Park, Greensboro, NC D+26
- Oakridge, Garland, TX D+12
- Davis Island, Tampa, FL R+10
- Minnehaha, Minneapolis, MN D+63
- Northwest Triangle, York, PA D+40
- Utah Park, Aurora, CO D+34
- Arbor Heights, Seattle, WA D+66
- North Loop, Austin, TX D+69
- Community Workers Council, San Antonio, TX D+27
- Elizabeth, Charlotte, NC D+52
Sources and methodology
Precinct-level voting records used to fit the model come from Montana 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.