59823 leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 78% of adults in 59823 typically vote, above the U.S. average of about 62%. Among adults in 59823, ~30% vote Democratic, ~48% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 59823 compares
59823 sits in a sparsely populated area with few comparable zip codes nearby.
Politically, 59823 sits close to the rest of Montana.
Politics vary noticeably by block within 59823. The northwest side runs the most Democratic (D+16) and the southeast side runs the most Republican (R+33), a spread of about 49 points.
Why 59823 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 59823, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in 59823 live in densely developed areas, about 10 points below the Montana average of 13%.
Population density and Republican lean
Places with low population density tend to lean Republican; 59823, MT sits in the bottom quarter nationally on this measure.
Why turnout in 59823 looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in 59823 have completed high school, about 8 points above the U.S. average of 90%. Homeowners vote more often than renters, and about 90% of households in 59823 own their home, compared to around 66% in nearby 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.