83867 leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 86% of adults in 83867 typically vote, above the U.S. average of about 62%. Among adults in 83867, ~23% vote Democratic, ~63% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How 83867 compares
Among zip codes within 15 miles, 83867 leans more Republican than 5 of 8 neighbors.
83867 runs about 10 points more Republican than Idaho as a whole.
Why 83867 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 83867, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 83867, about 98% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 18% of adults hold a bachelor's degree, about 8 points below the Idaho average of 26%. Rural areas vote Republican, and 83867 sits in the bottom quarter on density (about 6%, below 78% of zip codes). A high family-household share predicts Republican voting, and about 78% of households in 83867 are family households, above 88% 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 83867, ID does.
Why turnout in 83867 looks the way it does
Turnout in 83867 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.