85363 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 55% of adults in 85363 typically vote, below the U.S. average of about 62%. Among adults in 85363, ~25% vote Democratic, ~30% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How 85363 compares
Among zip codes within 15 miles, 85363 leans more Republican than 37 of 50 neighbors.
85363 runs about 5 points more Republican than Arizona as a whole.
Politics vary noticeably by block within 85363. The northwest side runs the most Democratic (D+10) and the southwest side runs the most Republican (R+20), a spread of about 30 points.
Why 85363 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 85363, not a ranked or complete list of what matters most.
85363 votes Republican even though it is densely developed (about 80%, far above the Arizona average of 39%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and 85363 sits in the bottom quarter (about 14%, below 83% of zip codes).
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 85363, AZ sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 85363 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 85363 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Low high-school completion lines up with lower turnout, and about 84% of adults in 85363 have completed high school, below 85% 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 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.