85551 is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 65% of adults in 85551 typically vote, near the U.S. average of about 62%. Among adults in 85551, ~13% vote Democratic, ~52% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 85551 compares
Among zip codes within 15 miles, 85551 leans more Republican than 3 of 4 neighbors.
85551 runs about 54 points more Republican than Arizona as a whole.
Why 85551 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 85551, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 16% of adults in 85551 hold a bachelor's degree, about 9 points below the Arizona average of 25%.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; 85551, AZ sits in the bottom tenth nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 85551 looks the way it does
Homeowners vote more often than renters. About 88% of households in 85551 own their home, about 15 points above the Arizona average of 73%. Limited routine healthcare access lines up with lower turnout, and 85551 sits in the bottom quarter on routine-care measures. 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.