83836 leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 81% of adults in 83836 typically vote, above the U.S. average of about 62%. Among adults in 83836, ~25% vote Democratic, ~56% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 83836 compares
Among zip codes within 15 miles, 83836 leans more Republican than 1 of 5 neighbors.
Politically, 83836 sits close to the rest of Idaho.
Politics vary noticeably by block within 83836. The north side is the most Republican-leaning (R+49) and the east side is the least Republican-leaning (R+33), a spread of about 15 points.
Why 83836 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 83836, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in 83836 live in densely developed areas, about 16 points below the Idaho average of 18%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 83836, ID sits in the bottom 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 83836 looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in 83836 have completed high school, about 5 points above the Idaho average of 91%. Homeowners vote more often than renters, and about 90% of households in 83836 own their home, above 86% 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 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.