85605 is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 36% of adults in 85605 typically vote, below the U.S. average of about 62%. Among adults in 85605, ~7% vote Democratic, ~28% Republican, and ~65% don't vote. The map below shows estimated turnout by block group.
How 85605 compares
85605 runs about 52 points more Republican than Arizona as a whole.
Why 85605 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 85605, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 13% of adults in 85605 hold a bachelor's degree, about 13 points below the Arizona average of 25%. Rural areas vote Republican, and 85605 sits in the bottom quarter on density (about 1%, below 98% of zip codes).
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 85605, AZ sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 85605 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 85605 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 47%, about 7 points below the Arizona average of 54%. High food insecurity lines up with lower turnout, and about 26% of adults in 85605 report food insecurity, above 91% of zip codes. Low high-school completion lines up with lower turnout, and about 74% of adults in 85605 have completed high school, below 96% 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.