83466 is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 58% of adults in 83466 typically vote, near the U.S. average of about 62%. Among adults in 83466, ~12% vote Democratic, ~46% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 83466 compares
83466 sits in a sparsely populated area with few comparable zip codes nearby.
83466 runs about 24 points more Republican than Idaho as a whole.
Politics vary noticeably by block within 83466. The east side is the most Republican-leaning (R+67) and the north side is the least Republican-leaning (R+50), a spread of about 17 points.
Why 83466 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 83466, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 1% of residents in 83466 live in densely developed areas, about 17 points below the Idaho average of 18%.
Population density and Republican lean
Places with low population density tend to lean Republican; 83466, ID sits in the bottom tenth nationally on this measure.
Why turnout in 83466 looks the way it does
Turnout in 83466 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.