Terra del Sol leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 64% of adults in Terra del Sol typically vote, near the U.S. average of about 62%. Among adults in Terra del Sol, ~35% vote Democratic, ~29% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Terra del Sol compares
Among neighborhoods within 5 miles, Terra del Sol leans more Democratic than 6 of 15 neighbors.
Terra del Sol runs about 16 points more Democratic than Arizona as a whole. Arizona leans Republican overall, while Terra del Sol is one of the few Democratic-leaning pockets.
Why Terra del Sol leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Terra del Sol, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Terra del Sol live in densely developed areas, about 64 points above the U.S. average of 36%. Terra del Sol runs against the grain of Arizona, a Democratic-leaning pocket in a Republican-leaning state.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Terra del Sol, Tucson, AZ sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Terra del Sol looks the way it does
Turnout in Terra del Sol 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 Neighborhoods
Neighborhoods with Similar Populations
- Crestwood, Tuckahoe, NY D+5
- Fairmont Park, Norfolk, VA D+63
- McKinley Avenue Corridor, Columbus, OH D+34
- Lace, Darien, IL D+6
- Belle Haven, Belle View, VA D+45
- Middlebury, Akron, OH D+42
- Vernon Hill, Worcester, MA D+30
- Cedar Knolls, Bronxville, NY D+26
- Dam East-West, Aurora, CO D+36
- Hedgeville, Wilmington, DE D+55
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.