Chouteau County leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 78% of adults in Chouteau County typically vote, above the U.S. average of about 62%. Among adults in Chouteau County, ~29% vote Democratic, ~48% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How Chouteau County compares
Chouteau County sits in a sparsely populated area with few comparable counties nearby.
Politically, Chouteau County sits close to the rest of Montana.
Politics vary noticeably by city within Chouteau County. The northeast side runs the most Democratic (D+17) and the north side runs the most Republican (R+53), a spread of about 71 points.
Why Chouteau County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Chouteau County, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 9% of residents in Chouteau County live in densely developed areas, about 27 points below the U.S. average of 36%.
Population density and Republican lean
Places with low population density tend to lean Republican; Chouteau County, MT sits in the bottom quarter nationally on this measure.
Why turnout in Chouteau County looks the way it does
Turnout in Chouteau County sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Hill County, MT R+23
- Liberty County, MT R+56
- Cascade County, MT R+25
- Judith Basin County, MT R+62
- Fergus County, MT R+50
- Blaine County, MT Even
- Teton County, MT R+60
- Toole County, MT R+43
- Pondera County, MT R+35
- Meagher County, MT R+58
Counties with Similar Populations
- Taylor County, IA R+50
- Pondera County, MT R+35
- Cumberland County, KY R+67
- Essex County, VT R+31
- Crowley County, CO R+47
- Sherman County, KS R+66
- Ohio County, IN R+58
- Stanton County, NE R+64
- Sullivan County, PA R+50
- Benson County, ND D+2
All Local Stats
Home Services
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.