Sand Coulee is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 74% of adults in Sand Coulee typically vote, above the U.S. average of about 62%. Among adults in Sand Coulee, ~16% vote Democratic, ~58% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Sand Coulee compares
Among cities within 25 miles, Sand Coulee leans more Republican than 10 of 15 neighbors.
Sand Coulee runs about 35 points more Republican than Montana as a whole.
Politics vary noticeably by neighborhood within Sand Coulee. The west side is the most Republican-leaning (R+60) and the east side is the least Republican-leaning (R+49), a spread of about 11 points.
Why Sand Coulee 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 Sand Coulee, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in Sand Coulee live in densely developed areas, about 10 points below the Montana average of 13%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Sand Coulee, MT sits in the top quarter nationally 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 Sand Coulee looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Sand Coulee 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 67%, about 7 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Tracy, MT R+54
- Stockett, MT R+56
- Gibson Flats, MT R+16
- Malmstrom Air Force Base, MT R+39
- Belt, MT R+52
- Wayne, MT R+50
- Great Falls, MT R+20
- Black Eagle, MT R+35
- Castner Falls, MT R+50
- Portage, MT R+57
Cities with Similar Populations
- Butte La Rose, LA R+85
- Chattanooga, OK R+66
- North San Juan, CA D+7
- Bear River, WY R+71
- Rudderville, TN R+48
- Higgins, OK R+69
- Winslow, TX R+60
- New Hebron, IL R+61
- Bethesda, WV R+60
- Ottawa, OK R+59
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.