83238 is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 65% of adults in 83238 typically vote, near the U.S. average of about 62%. Among adults in 83238, ~9% vote Democratic, ~56% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 83238 compares
83238 sits in a sparsely populated area with few comparable zip codes nearby.
83238 runs about 38 points more Republican than Idaho as a whole.
Why 83238 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 83238, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in 83238 live in densely developed areas, about 16 points below the Idaho average of 18%. A high family-household share predicts Republican voting, and about 76% of households in 83238 are family households, above 83% of zip codes.
Population density and Republican lean
Places with low population density tend to lean Republican; 83238, ID sits in the bottom tenth nationally on this measure.
Why turnout in 83238 looks the way it does
Turnout in 83238 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.