59075 leans Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 67% of adults in 59075 typically vote, near the U.S. average of about 62%. Among adults in 59075, ~23% vote Democratic, ~44% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 59075 compares
59075 runs about 10 points more Republican than Montana as a whole.
Politics vary noticeably by block within 59075. The southeast side is the most Republican-leaning (R+32) and the northwest side is the least Republican-leaning (R+7), a spread of about 24 points.
Why 59075 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 59075, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 1% of residents in 59075 live in densely developed areas, about 12 points below the Montana average of 13%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 59075, MT sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 59075 looks the way it does
Homeowners vote more often than renters. About 91% of households in 59075 own their home, about 14 points above the Montana average of 77%. 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.