Lydia Mills, SC Political Map | Democrat & Republican Areas in Lydia Mills

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

Lydia Mills leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.

 

About 71% of adults in Lydia Mills typically vote, above the U.S. average of about 62%. Among adults in Lydia Mills, ~32% vote Democratic, ~39% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.

How Lydia Mills compares

Among cities within 25 miles, Lydia Mills leans more Republican than 3 of 46 neighbors.

Lydia Mills runs about 9 points more Democratic than South Carolina as a whole.

Politics vary noticeably by neighborhood within Lydia Mills. The northwest side runs the most Democratic (D+26) and the southwest side runs the most Republican (R+35), a spread of about 61 points.

Why Lydia Mills 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 Lydia Mills, not a ranked or complete list of what matters most.

Car-dependent areas vote Republican. About 90% of residents in Lydia Mills drive to work alone, about 17 points above the U.S. average of 74%.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Lydia Mills, SC sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.

Why turnout in Lydia Mills looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Lydia Mills 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.