59729 leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 75% of adults in 59729 typically vote, above the U.S. average of about 62%. Among adults in 59729, ~24% vote Democratic, ~51% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 59729 compares
59729 sits in a sparsely populated area with few comparable zip codes nearby.
59729 runs about 17 points more Republican than Montana as a whole.
Politics vary noticeably by block within 59729. The northwest side is the most Republican-leaning (R+48) and the east side is the least Republican-leaning (R+23), a spread of about 25 points.
Why 59729 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 59729. The lean here lands roughly where demographic data alone would predict.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 59729, 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 59729 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 59729 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 71%, about 11 points above the U.S. average of 60%. 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.