South Boston is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 68% of adults in South Boston typically vote, above the U.S. average of about 62%. Among adults in South Boston, ~13% vote Democratic, ~55% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How South Boston compares
Among cities within 25 miles, South Boston leans more Republican than 57 of 81 neighbors.
South Boston runs about 43 points more Republican than Indiana as a whole.
Why South Boston leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for South Boston, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In South Boston, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 11% of adults hold a bachelor's degree, about 11 points below the Indiana average of 22%. A high family-household share predicts Republican voting, and about 80% of households in South Boston are family households, above 90% of cities.
Park access and Republican lean
Places with low park coverage tend to lean Republican; South Boston, IN sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in South Boston looks the way it does
Turnout in South Boston 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 Cities
- Canton, IN R+62
- New Philadelphia, IN R+64
- New Pekin, IN R+58
- Little York, IN R+61
- Salem, IN R+53
- Pekin, IN R+59
- Daisy Hill, IN R+58
- Leota, IN R+59
- McCol Place, IN R+59
- Kossuth, IN R+64
Cities with Similar Populations
- Junction City, WA R+18
- Camden, MS D+32
- Toquin, MI R+23
- Okolona, AR R+41
- Price, ND R+67
- New Jerusalem, PA R+30
- Chloe, WV R+62
- Potter Lake, WI R+29
- Benton Center, NY R+33
- Twin Rivers, NJ D+17
Sources and methodology
Precinct-level voting records used to fit the model come from Indiana 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.