85337 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 47% of adults in 85337 typically vote, below the U.S. average of about 62%. Among adults in 85337, ~22% vote Democratic, ~25% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.
How 85337 compares
Politically, 85337 sits close to the rest of Arizona.
Politics vary noticeably by block within 85337. The northwest side is the most split-leaning (R+25) and the southwest side is the least split-leaning (R+3), a spread of about 23 points.
Why 85337 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 85337, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 90% of residents in 85337 drive to work alone, about 16 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 85337 sits in the bottom quarter (about 13%, below 89% of zip codes).
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 85337, 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 85337 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 85337 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 39%, about 15 points below the Arizona average of 54%. Renters vote less often than owners, and about 37% of households in 85337 rent, above 84% of zip codes. High food insecurity lines up with lower turnout, and about 40% of adults in 85337 report food insecurity, above 98% 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.