South Harrison is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 77% of adults in South Harrison typically vote, above the U.S. average of about 62%. Among adults in South Harrison, ~38% vote Democratic, ~39% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How South Harrison compares
Among neighborhoods within 5 miles, South Harrison sits roughly in the middle of the political spectrum, with 12 neighbors leaning further in the place's direction and 1 leaning the other way.
Politically, South Harrison sits close to the rest of Arizona.
Politics vary noticeably by block within South Harrison. The northwest side runs the most Democratic (D+12) and the south side runs the most Republican (R+8), a spread of about 20 points.
Why South Harrison leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in South Harrison. The lean here lands roughly where demographic data alone would predict.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; South Harrison, Tucson, AZ sits in the top quarter nationally on this measure.
Why turnout in South Harrison looks the way it does
Homeowners vote more often than renters. About 87% of households in South Harrison own their home, about 14 points above the Arizona average of 73%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
Neighborhoods with Similar Populations
- Southside Columbus, Columbus, OH D+59
- Lake Frederica, Orlando, FL D+19
- University District, Minneapolis, MN D+54
- Sayre Park, Bethlehem, PA D+36
- Braddock Road Metro, Alexandria, VA D+65
- Westlake, Seattle, WA D+64
- Palm City, San Diego, CA D+20
- Fulton, Minneapolis, MN D+68
- Bessemer, Pueblo, CO D+17
- Country Squire Estates, West Valley City, UT D+6
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.