83227 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 61% of adults in 83227 typically vote, near the U.S. average of about 62%. Among adults in 83227, ~29% vote Democratic, ~32% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 83227 compares
83227 runs about 31 points more Democratic than Idaho as a whole.
Politics vary noticeably by block within 83227. The east side runs the most Democratic (D+3) and the southeast side runs the most Republican (R+32), a spread of about 34 points.
Why 83227 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 83227, not a ranked or complete list of what matters most.
Rural areas vote Republican. Fewer than 1% of residents in 83227 live in densely developed areas, about 18 points below the Idaho average of 18%. A high family-household share predicts Republican voting, and about 81% of households in 83227 are family households, above 93% of zip codes.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; 83227, ID sits in the bottom tenth nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 83227 looks the way it does
High-crime urban areas turn out at lower rates, mostly because the housing stress common in those areas makes voting harder. 83227 sits in the top 15% nationally on a violent-crime measure. See CrimeGrade for more details. 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.