85387 leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 89% of adults in 85387 typically vote, above the U.S. average of about 62%. Among adults in 85387, ~31% vote Democratic, ~58% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How 85387 compares
Among zip codes within 15 miles, 85387 leans more Republican than 19 of 22 neighbors.
85387 runs about 25 points more Republican than Arizona as a whole.
Politics vary noticeably by block within 85387. The northeast side is the most Republican-leaning (R+49) and the southeast side is the least Republican-leaning (R+9), a spread of about 40 points.
Why 85387 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 85387, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 75% of households in 85387 are family households, about 9 points above the U.S. average of 67%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 85387, AZ sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 85387 looks the way it does
Homeowners vote more often than renters. About 95% of households in 85387 own their home, about 22 points above the Arizona average of 73%. 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.