59730 is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 83% of adults in 59730 typically vote, above the U.S. average of about 62%. Among adults in 59730, ~42% vote Democratic, ~41% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How 59730 compares
59730 runs about 21 points more Democratic than Montana as a whole. Montana leans Republican overall, while 59730 sits closer to the political middle.
Politics vary noticeably by block within 59730. The south side runs the most Democratic (D+19) and the northwest side runs the most Republican (R+13), a spread of about 32 points.
Why 59730 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 59730, not a ranked or complete list of what matters most.
59730 votes against the grain of Montana. Montana leans Republican overall, while 59730 runs about 21 points more Democratic.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as 59730, MT does.
Why turnout in 59730 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 59730 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 72%, about 12 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in 59730 have completed high school, above 93% 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.