28391 leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 77% of adults in 28391 typically vote, above the U.S. average of about 62%. Among adults in 28391, ~21% vote Democratic, ~57% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 28391 compares
Among zip codes within 15 miles, 28391 leans more Republican than 9 of 11 neighbors.
28391 runs about 42 points more Republican than North Carolina as a whole.
Politics vary noticeably by block within 28391. The northeast side is the most Republican-leaning (R+57) and the northwest side is the least Republican-leaning (R+27), a spread of about 30 points.
Why 28391 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 28391, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 88% of residents in 28391 drive to work alone, about 15 points above the U.S. average of 74%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 28391, NC sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 28391 looks the way it does
Turnout in 28391 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.
Nearby Zip Codes
Zip Codes with Similar Populations
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.