59801 leans heavily Democratic by roughly 46 points: about 73% of voters vote Democratic and 27% Republican.
About 74% of adults in 59801 typically vote, above the U.S. average of about 62%. Among adults in 59801, ~54% vote Democratic, ~20% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 59801 compares
Among zip codes within 15 miles, 59801 leans more Democratic than 6 of 7 neighbors.
59801 runs about 65 points more Democratic than Montana as a whole. Montana leans Republican overall, while 59801 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 59801. The northeast side is the most Democratic-leaning (D+61) and the southwest side is the least Democratic-leaning (D+26), a spread of about 34 points.
Why 59801 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 59801, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in 59801 live in densely developed areas, about 62 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 59801 sits in the top quarter (about 55%, above 92% of zip codes). 59801 runs against the grain of Montana, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 59801, MT sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 59801 looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in 59801 have completed high school, about 8 points above the U.S. average of 90%. 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.