59802 leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 77% of adults in 59802 typically vote, above the U.S. average of about 62%. Among adults in 59802, ~52% vote Democratic, ~25% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 59802 compares
Among zip codes within 15 miles, 59802 leans more Democratic than 6 of 8 neighbors.
59802 runs about 57 points more Democratic than Montana as a whole. Montana leans Republican overall, while 59802 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 59802. The west side runs the most Democratic (D+60) and the southeast side runs the most Republican (R+6), a spread of about 66 points.
Why 59802 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 59802, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 50% of adults in 59802 hold a bachelor's degree, about 22 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 45% of adults in 59802 have never been married, above 92% of zip codes. 59802 runs against the grain of Montana, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 59802, MT sits in the top 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 59802 looks the way it does
Turnout in 59802 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.