59456 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 61% of adults in 59456 typically vote, near the U.S. average of about 62%. Among adults in 59456, ~11% vote Democratic, ~50% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 59456 compares
59456 runs about 45 points more Republican than Montana as a whole.
Politics vary noticeably by block within 59456. The southwest side is the most Republican-leaning (R+67) and the northeast side is the least Republican-leaning (R+48), a spread of about 19 points.
Why 59456 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 59456, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in 59456 live in densely developed areas, about 11 points below the Montana average of 13%.
Population density and Republican lean
Places with low population density tend to lean Republican; 59456, MT sits in the bottom tenth nationally on this measure.
Why turnout in 59456 looks the way it does
Renters vote less often than owners. About 43% of households in 59456 rent, about 18 points above the U.S. average of 25%. Low high-school completion lines up with lower turnout, and about 83% of adults in 59456 have completed high school, below 86% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.