St. Matthews, SC Political Map | Democrat & Republican Areas in St. Matthews

By the BestNeighborhood data science team. Last updated May 2026.

St. Matthews leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.

 

About 69% of adults in St. Matthews typically vote, above the U.S. average of about 62%. Among adults in St. Matthews, ~37% vote Democratic, ~32% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.

How St. Matthews compares

Among cities within 25 miles, St. Matthews leans more Democratic than 22 of 38 neighbors.

St. Matthews runs about 24 points more Democratic than South Carolina as a whole. South Carolina leans Republican overall, while St. Matthews is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within St. Matthews. The north side runs the most Democratic (D+32) and the southeast side runs the most Republican (R+17), a spread of about 49 points.

Why St. Matthews 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 St. Matthews, not a ranked or complete list of what matters most.

St. Matthews votes against the grain of South Carolina. South Carolina leans Republican overall, while St. Matthews runs about 24 points more Democratic. A high never-married share predicts Democratic voting, and about 31% of adults in St. Matthews have never been married, above 77% of cities.

Cancer-screening access and voter turnout

Places with high colon-cancer-screening access tend to turn out at a higher rate; St. Matthews, SC sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in St. Matthews looks the way it does

Areas with limited routine healthcare access turn out at lower rates. St. Matthews is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.

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.