85939 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 69% of adults in 85939 typically vote, above the U.S. average of about 62%. Among adults in 85939, ~13% vote Democratic, ~56% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 85939 compares
Among zip codes within 15 miles, 85939 leans more Republican than 3 of 5 neighbors.
85939 runs about 57 points more Republican than Arizona as a whole.
Why 85939 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 85939, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 3% of residents in 85939 live in densely developed areas, about 36 points below the Arizona average of 39%.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as 85939, AZ does.
Why turnout in 85939 looks the way it does
Turnout in 85939 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.