85613 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 41% of adults in 85613 typically vote, below the U.S. average of about 62%. Among adults in 85613, ~18% vote Democratic, ~23% Republican, and ~59% don't vote. The map below shows estimated turnout by block group.
How 85613 compares
Among zip codes within 15 miles, 85613 is the least Republican-leaning.
85613 runs about 5 points more Republican than Arizona as a whole.
Politics vary noticeably by block within 85613. The southeast side is the most split-leaning (R+27) and the northeast side is the least split-leaning (Even), a spread of about 25 points.
Why 85613 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 85613, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 95% of households in 85613 are family households, about 28 points above the U.S. average of 67%.
Renting and voter turnout
Places with renter-heavy households tend to turn out at a lower rate; 85613, AZ sits in the top tenth nationally on this measure.
Why turnout in 85613 looks the way it does
Renters vote less often than owners. More than 99% of households in 85613 rent, about 75 points above the U.S. average of 25%. Low high-school completion lines up with lower turnout, and more than 99% of adults in 85613 have completed high school, in the top fraction 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.