Big Sandy leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 78% of adults in Big Sandy typically vote, above the U.S. average of about 62%. Among adults in Big Sandy, ~30% vote Democratic, ~48% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Big Sandy compares
Among cities within 25 miles, Big Sandy leans more Republican than 6 of 10 neighbors.
Politically, Big Sandy sits close to the rest of Montana.
Politics vary noticeably by neighborhood within Big Sandy. The northeast side runs the most Democratic (D+52) and the northwest side runs the most Republican (R+53), a spread of about 106 points.
Why Big Sandy leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Big Sandy. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Big Sandy, MT sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Big Sandy looks the way it does
Turnout in Big Sandy sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Box Elder, MT D+61
- Kenilworth, MT R+53
- St. Pierre, MT D+72
- Sangrey, MT D+72
- Azure, MT D+72
- Rocky Boy, MT D+23
- Parker School, MT D+72
- Virgelle, MT R+52
- Kremlin, MT R+29
- Loma, MT R+53
Cities with Similar Populations
- Gem Village, CO R+26
- Sibley, MO R+55
- Newaukum, WA R+26
- Downs, KS R+71
- Todds Tavern, VA R+31
- Cassville, WV R+28
- Lingleville, TX R+72
- Jeff Davis, MS R+37
- Annawan, IL R+37
- Cottonwood Falls, KS R+40
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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.