South Hill leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 53% of adults in South Hill typically vote, below the U.S. average of about 62%. Among adults in South Hill, ~32% vote Democratic, ~21% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How South Hill compares
South Hill runs about 9 points more Democratic than Illinois as a whole.
Politics vary noticeably by block within South Hill. The northeast side is the most Democratic-leaning (D+31) and the southeast side is the least Democratic-leaning (D+15), a spread of about 16 points.
Why South Hill leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in South Hill. The lean here lands roughly where demographic data alone would predict.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; South Hill, Bloomington, IL sits above the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in South Hill looks the way it does
Turnout in South Hill 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
- Downtown Normal, Normal, IL D+48
- Sunnyland, Washington, IL R+22
- East Bluff, Peoria, IL D+57
- Center Bluff, Peoria, IL D+47
- Sunset Hills, Peoria, IL D+49
- West Urbana, Urbana, IL D+72
- Historic West-Side, Springfield, IL D+39
- Springfield Lake Shore Improvement, Springfield, IL R+6
- Lakewood Springs, Plano, IL Even
- Tall Grass, Naperville, IL D+19
Neighborhoods with Similar Populations
- East Hills, Grand Rapids, MI D+58
- Doling, Springfield, MO R+17
- Hazelwood, Pittsburgh, PA D+50
- Allen, Buffalo, NY D+64
- Fitchburg, Oakland, CA D+59
- Ludwick, Greensburg, PA D+2
- Twin Rivers Beach, Providence, RI D+12
- Flying Horse, Colorado Springs, CO R+26
- Woodbridge, Detroit, MI D+72
- Stone Meadows, Madison, WI D+52
Sources and methodology
Precinct-level voting records used to fit the model come from Illinois State Board of 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.