83236 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 76% of adults in 83236 typically vote, above the U.S. average of about 62%. Among adults in 83236, ~12% vote Democratic, ~63% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 83236 compares
Among zip codes within 15 miles, 83236 leans more Republican than 4 of 5 neighbors.
83236 runs about 32 points more Republican than Idaho as a whole.
Politics vary noticeably by block within 83236. The southwest side runs the most Democratic (D+15) and the southeast side runs the most Republican (R+73), a spread of about 89 points.
Why 83236 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 83236. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 83236, ID sits in the bottom quarter 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 83236 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 83236 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 69%, about 9 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 Idaho 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.