85328 leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 62% of adults in 85328 typically vote, near the U.S. average of about 62%. Among adults in 85328, ~17% vote Democratic, ~45% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How 85328 compares
85328 runs about 41 points more Republican than Arizona as a whole.
Why 85328 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 85328, not a ranked or complete list of what matters most.
Rural areas vote Republican. Fewer than 1% of residents in 85328 live in densely developed areas, about 38 points below the Arizona average of 39%. A high white share with below-average college attainment predicts Republican voting, and 85328 fits that profile on both counts.
Population density and Republican lean
Places with low population density tend to lean Republican; 85328, AZ sits in the bottom tenth nationally on this measure.
Why turnout in 85328 looks the way it does
Homeowners vote more often than renters. More than 99% of households in 85328 own their home, about 27 points above the Arizona average of 73%. Limited routine healthcare access lines up with lower turnout, and 85328 sits in the bottom quarter on routine-care measures. 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 Arizona 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.