85630 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 81% of adults in 85630 typically vote, above the U.S. average of about 62%. Among adults in 85630, ~20% vote Democratic, ~61% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 85630 compares
Among zip codes within 15 miles, 85630 leans more Republican than 2 of 3 neighbors.
85630 runs about 47 points more Republican than Arizona as a whole.
Why 85630 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 85630. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 85630, AZ sits in the bottom tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 85630 looks the way it does
Homeowners vote more often than renters. About 93% of households in 85630 own their home, about 20 points above the Arizona average of 73%. 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.