83669 leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 93% of adults in 83669 typically vote, above the U.S. average of about 62%. Among adults in 83669, ~25% vote Democratic, ~68% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How 83669 compares
Among zip codes within 15 miles, 83669 leans more Republican than 12 of 15 neighbors.
83669 runs about 9 points more Republican than Idaho as a whole.
Politics vary noticeably by block within 83669. The northeast side is the most Republican-leaning (R+55) and the southwest side is the least Republican-leaning (R+36), a spread of about 19 points.
Why 83669 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 83669, not a ranked or complete list of what matters most.
83669 votes Republican even though it is densely developed (about 63%, far above the Idaho average of 18%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 77% of households in 83669 are family households, above 85% of zip codes.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 83669, ID sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 83669 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 83669 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in 83669 have completed high school, above 92% 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.