59487 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 65% of adults in 59487 typically vote, near the U.S. average of about 62%. Among adults in 59487, ~12% vote Democratic, ~53% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 59487 compares
Among zip codes within 15 miles, 59487 leans more Republican than 3 of 5 neighbors.
59487 runs about 43 points more Republican than Montana as a whole.
Why 59487 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 59487, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in 59487 live in densely developed areas, about 9 points below the Montana average of 13%. Low college attainment predicts Republican voting, and 59487 sits in the bottom quarter (about 15%, below 83% of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 59487, MT sits in the bottom quarter 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 59487 looks the way it does
Homeowners vote more often than renters. About 90% of households in 59487 own their home, about 13 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.