85379 leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 73% of adults in 85379 typically vote, above the U.S. average of about 62%. Among adults in 85379, ~29% vote Democratic, ~44% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 85379 compares
Among zip codes within 15 miles, 85379 leans more Republican than 32 of 40 neighbors.
85379 runs about 14 points more Republican than Arizona as a whole.
Why 85379 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 85379, not a ranked or complete list of what matters most.
85379 votes Republican even though it is densely developed (about 95%, far above the Arizona average of 39%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 81% of households in 85379 are family households, above 93% of zip codes.
Adult arthritis and voter turnout
Places with a low adult-arthritis rate tend to turn out at a higher rate; 85379, AZ sits in the bottom tenth nationally on this measure. Arthritis does not drive turnout; it reflects the age and health profile of an area.
Why turnout in 85379 looks the way it does
Turnout in 85379 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.