Southgate Triangle leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 80% of adults in Southgate Triangle typically vote, above the U.S. average of about 62%. Among adults in Southgate Triangle, ~50% vote Democratic, ~30% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Southgate Triangle compares
Among neighborhoods within 5 miles, Southgate Triangle leans more Democratic than 4 of 13 neighbors.
Southgate Triangle runs about 46 points more Democratic than Montana as a whole. Montana leans Republican overall, while Southgate Triangle is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Southgate Triangle. The north side is the most Democratic-leaning (D+33) and the southwest side is the least Democratic-leaning (D+22), a spread of about 10 points.
Why Southgate Triangle 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 Southgate Triangle, not a ranked or complete list of what matters most.
Southgate Triangle votes against the grain of Montana. Montana leans Republican overall, while Southgate Triangle runs about 46 points more Democratic.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Southgate Triangle, Missoula, MT sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Southgate Triangle looks the way it does
Turnout in Southgate Triangle sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Lewis and Clark, Missoula, MT D+47
- South 39th Street, Missoula, MT D+14
- Franklin To The Fort, Missoula, MT D+29
- Rose Park, Missoula, MT D+59
- Moose Can Gully, Missoula, MT D+23
- University District, Missoula, MT D+59
- Emma Dickinson Orchard Homes, Missoula, MT D+31
- Miller Creek, Missoula, MT D+3
- Heart of Missoula, Missoula, MT D+51
- Westside, Missoula, MT D+35
Neighborhoods with Similar Populations
- McFerrin Park, Nashville, TN D+71
- Jacoby Creek, Arcata, CA D+59
- Heart of the Westside, Springfield, MO R+15
- Croissant Park, Fort Lauderdale, FL D+5
- Mission Ridge, San Antonio, TX R+8
- Colonial Heights, Mobile, AL D+60
- Southpoint, Jacksonville, FL R+8
- Wentworth Estates, Naples, FL R+16
- Glendale, Madison, WI D+57
- Madison Area, Grand Rapids, MI D+72
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.