Union Crossroads leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 66% of adults in Union Crossroads typically vote, near the U.S. average of about 62%. Among adults in Union Crossroads, ~22% vote Democratic, ~44% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Union Crossroads compares
Among cities within 25 miles, Union Crossroads leans more Republican than 37 of 42 neighbors.
Union Crossroads runs about 17 points more Republican than South Carolina as a whole.
Politics vary noticeably by neighborhood within Union Crossroads. The northeast side is the most Republican-leaning (R+67) and the southeast side is the least Republican-leaning (R+3), a spread of about 64 points.
Why Union Crossroads leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Union Crossroads. The lean here lands roughly where demographic data alone would predict.
Population density and Republican lean
Places with low population density tend to lean Republican; Union Crossroads, SC sits below the national average on this measure.
Why turnout in Union Crossroads looks the way it does
Homeowners vote more often than renters. About 90% of households in Union Crossroads own their home, about 13 points above the South Carolina average of 77%. Limited routine healthcare access lines up with lower turnout, and Union Crossroads sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- New Zion, SC R+47
- Moores Crossroads, SC R+25
- Workman, SC R+10
- Turbeville, SC R+30
- Cades, SC R+3
- Olanta, SC R+23
- Gable, SC R+8
- Shiloh, SC D+27
- Wilson, SC Even
- Lake City, SC D+32
Cities with Similar Populations
- Long Barn, CA Even
- Barton Hills, MI D+39
- Strong City, KS R+56
- Pecaniere, LA R+83
- Hilldale, WV R+57
- Star Harbor, TX R+66
- Schellville, CA D+33
- Progreso Lakes, TX R+31
- Lovett, FL R+50
- White City, KY R+61
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from South Carolina State Election Commission, 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.