83841 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 78% of adults in 83841 typically vote, above the U.S. average of about 62%. Among adults in 83841, ~19% vote Democratic, ~59% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 83841 compares
Among zip codes within 15 miles, 83841 leans more Republican than 5 of 10 neighbors.
83841 runs about 16 points more Republican than Idaho as a whole.
Politics vary noticeably by block within 83841. The west side is the most Republican-leaning (R+61) and the east side is the least Republican-leaning (R+47), a spread of about 13 points.
Why 83841 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 83841, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. 83841 sits in the bottom quarter on density and about 95% of residents are non-Hispanic white, about 13 points above the Idaho average of 83%. A high family-household share predicts Republican voting, and about 80% of households in 83841 are family households, above 92% of zip codes.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as 83841, ID does.
Why turnout in 83841 looks the way it does
Homeowners vote more often than renters. About 95% of households in 83841 own their home, about 15 points above the Idaho average of 79%. High high-school completion lines up with higher turnout, and about 99% of adults in 83841 have completed high school, above 97% 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.