East Helena leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 93% of adults in East Helena typically vote, above the U.S. average of about 62%. Among adults in East Helena, ~33% vote Democratic, ~61% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.
How East Helena compares
Among cities within 25 miles, East Helena leans more Republican than 7 of 16 neighbors.
East Helena runs about 11 points more Republican than Montana as a whole.
Politics vary noticeably by neighborhood within East Helena. The southeast side is the most Republican-leaning (R+47) and the southwest side is the least Republican-leaning (R+8), a spread of about 40 points.
Why East Helena 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 East Helena, not a ranked or complete list of what matters most.
East Helena votes Republican even though it is densely developed (about 34%, well above the Montana average of 13%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; East Helena, MT sits above the national average 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 East Helena looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in East Helena 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 Cities
- Helena Valley Southeast, MT R+35
- Montana City, MT R+28
- Helena Valley Northeast, MT R+37
- Helena, MT D+17
- Helena Valley West Central, MT R+16
- Clancy, MT R+26
- Helena West Side, MT D+14
- Winston, MT R+58
- Helena Valley Northwest, MT R+38
- Fort Harrison, MT R+15
Cities with Similar Populations
- Belleville, PA R+69
- Beauxart Gardens, TX D+19
- Whiskey Creek, FL R+22
- Friona, TX R+39
- Rocky Ford, CO R+17
- Little Flock, AR R+30
- Bamberg, SC D+14
- Chesaning, MI R+32
- Hudson, TX R+57
- Wenham, MA D+26
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.