Fort Peck is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 77% of adults in Fort Peck typically vote, above the U.S. average of about 62%. Among adults in Fort Peck, ~12% vote Democratic, ~64% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Fort Peck compares
Among cities within 25 miles, Fort Peck is the most Republican-leaning.
Fort Peck runs about 48 points more Republican than Montana as a whole.
Politics vary noticeably by neighborhood within Fort Peck. The southwest side is the most Republican-leaning (R+87) and the north side is the least Republican-leaning (R+61), a spread of about 26 points.
Why Fort Peck 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 Fort Peck, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. Fort Peck sits in the bottom quarter on density and about 94% of residents are non-Hispanic white, about 11 points above the Montana average of 83%.
Population density and Republican lean
Places with low population density tend to lean Republican; Fort Peck, MT sits in the bottom tenth nationally on this measure.
Why turnout in Fort Peck looks the way it does
Areas with high high-school completion turn out at higher rates. More than 99% of adults in Fort Peck have completed high school, about 6 points above the Montana average of 94%. Homeowners vote more often than renters, and about 92% of households in Fort Peck own their home, about 17 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Nashua, MT R+56
- Frazer, MT R+21
- Glasgow, MT R+45
- Oswego, MT R+26
- Vandalia, MT R+63
- Tampico, MT R+61
- Weldon, MT R+79
- St. Marie, MT R+62
- Wolf Point, MT D+6
- Lustre, MT R+21
Cities with Similar Populations
- Wurtemburg, NY D+15
- Schlatterville, GA R+81
- Raymond, SD R+57
- Woodson, AR R+5
- Gloria Glens Park, OH R+39
- Roaring Gap, NC R+58
- Gardner, TN R+53
- Quitaque, TX R+77
- Mabie, WV R+66
- Brookvale, CO D+27
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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.