Renno is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 53% of adults in Renno typically vote, below the U.S. average of about 62%. Among adults in Renno, ~12% vote Democratic, ~41% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How Renno compares
Among cities within 25 miles, Renno leans more Republican than 34 of 47 neighbors.
Renno runs about 38 points more Republican than South Carolina as a whole.
Politics vary noticeably by neighborhood within Renno. The west side is the most Republican-leaning (R+57) and the southwest side is the least Republican-leaning (R+21), a spread of about 36 points.
Why Renno 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 Renno, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in Renno live in densely developed areas, about 20 points below the South Carolina average of 24%. Low college attainment predicts Republican voting, and Renno sits in the bottom quarter (about 11%, below 90% of cities).
Population density and Republican lean
Places with low population density tend to lean Republican; Renno, SC sits in the bottom quarter nationally on this measure.
Why turnout in Renno looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Renno is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 28% of adults in Renno report food insecurity, above 94% of cities. Low high-school completion lines up with lower turnout, and about 77% of adults in Renno have completed high school, below 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Joanna, SC R+52
- Clinton, SC R+18
- Kinards, SC R+43
- Lydia Mills, SC R+9
- Sedalia, SC R+27
- Goodwins Crossroads, SC R+58
- Whitmire, SC R+26
- Jalapa, SC R+18
- Cross Keys, SC R+23
- Cross Anchor, SC R+66
Cities with Similar Populations
- Adona, AR R+61
- Martin, LA R+82
- Subligna, GA R+76
- Burlington, WY R+80
- Beverly Beach, WA D+47
- Loves Mill, VA R+65
- Jersey, GA R+71
- San Ardo, CA R+41
- Teanaway, WA R+24
- Viola, WV R+61
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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.