85719 leans heavily Democratic by roughly 48 points: about 74% of voters vote Democratic and 26% Republican.
About 45% of adults in 85719 typically vote, below the U.S. average of about 62%. Among adults in 85719, ~33% vote Democratic, ~12% Republican, and ~55% don't vote. The map below shows estimated turnout by block group.
How 85719 compares
Among zip codes within 15 miles, 85719 leans more Democratic than 30 of 32 neighbors.
85719 runs about 54 points more Democratic than Arizona as a whole. Arizona leans Republican overall, while 85719 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 85719. The east side is the most Democratic-leaning (D+66) and the northwest side is the least Democratic-leaning (D+39), a spread of about 27 points.
Why 85719 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 85719, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 85719 live in densely developed areas, about 63 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 85719 sits in the top quarter (about 45%, above 85% of zip codes). 85719 runs against the grain of Arizona, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 85719, AZ sits in the top tenth nationally on this measure.
Why turnout in 85719 looks the way it does
Renters vote less often than owners. About 73% of households in 85719 rent, about 48 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and 85719 sits in the bottom quarter on routine-care measures. High-crime urban areas turn out at lower rates, and 85719 sits in the top 15% on a violent-crime measure. 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.