Southport leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 95% of adults in Southport typically vote, above the U.S. average of about 62%. Among adults in Southport, ~36% vote Democratic, ~59% Republican, and ~5% don't vote. The map below shows estimated turnout by block group.
How Southport compares
Among cities within 25 miles, Southport leans more Republican than 11 of 30 neighbors.
Southport runs about 20 points more Republican than North Carolina as a whole.
Politics vary noticeably by neighborhood within Southport. The northwest side is the most Republican-leaning (R+34) and the south side is the least Republican-leaning (R+5), a spread of about 28 points.
Why Southport 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 Southport, not a ranked or complete list of what matters most.
Southport votes Republican even though it is densely developed (about 41%, modestly above the North Carolina average of 27%). Here an older population outweighs the Democratic lean that density usually predicts.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; Southport, NC sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Southport looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Southport is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 72%, about 12 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Caswell Beach, NC R+24
- St. James, NC R+27
- Oak Island, NC R+30
- Bald Head Island, NC R+7
- Boiling Spring Lakes, NC R+43
- Kure Beach, NC R+12
- Varnum, NC R+30
- Bolivia, NC R+34
- Carolina Beach, NC R+11
- Varnamtown, NC R+50
Cities with Similar Populations
- Old Orchard Beach, ME D+19
- Columbiana, AL R+55
- Williston, FL R+39
- Lochbuie, CO R+21
- Island Park, NY R+21
- Maynardville, TN R+69
- Wahpeton, ND R+31
- Douglas, MA R+9
- Owego, NY R+20
- Fort Edward, NY R+19
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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.