83525 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 65% of adults in 83525 typically vote, near the U.S. average of about 62%. Among adults in 83525, ~14% vote Democratic, ~51% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 83525 compares
83525 runs about 20 points more Republican than Idaho as a whole.
Politics vary noticeably by block within 83525. The west side is the most Republican-leaning (R+56) and the northeast side is the least Republican-leaning (R+24), a spread of about 32 points.
Why 83525 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 83525, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 7% of adults in 83525 hold a bachelor's degree, about 19 points below the Idaho average of 26%. Rural areas with a high white share vote Republican. Non-Hispanic white share in 83525 is about 95%, about 23 points above the U.S. average of 72%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 83525, ID sits in the bottom tenth 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 83525 looks the way it does
Homeowners vote more often than renters. About 89% of households in 83525 own their home, about 10 points above the Idaho average of 79%. 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.