South Mills, NC Political Map | Democrat & Republican Areas in South Mills

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

South Mills leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.

 

About 82% of adults in South Mills typically vote, above the U.S. average of about 62%. Among adults in South Mills, ~21% vote Democratic, ~61% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.

How South Mills compares

Among cities within 25 miles, South Mills leans more Republican than 22 of 38 neighbors.

South Mills runs about 45 points more Republican than North Carolina as a whole.

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

Areas with many family households vote Republican. About 81% of households in South Mills are family households, about 15 points above the U.S. average of 67%. Rural areas vote Republican, and South Mills sits in the bottom quarter on density (about 4%, below 88% of cities).

Paved land cover and Republican lean

Places with little paved surface tend to lean Republican; South Mills, NC sits in the bottom 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 South Mills looks the way it does

Turnout in South Mills 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.

Sources and methodology

Precinct-level voting records used to fit the model come from North Carolina State Board of 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.