28109 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 60% of adults in 28109 typically vote, near the U.S. average of about 62%. Among adults in 28109, ~13% vote Democratic, ~47% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 28109 compares
Among zip codes within 15 miles, 28109 leans more Republican than 5 of 10 neighbors.
28109 runs about 52 points more Republican than North Carolina as a whole.
Why 28109 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 28109, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 15% of adults in 28109 hold a bachelor's degree, about 11 points below the North Carolina average of 27%.
High-school completion and voter turnout
Places with low high-school-completion share tend to turn out at a lower rate; 28109, NC sits in the bottom tenth nationally on this measure.
Why turnout in 28109 looks the way it does
Areas with low high-school completion turn out at lower rates. About 71% of adults in 28109 have completed high school, about 19 points below the U.S. average of 90%. Crowded housing lines up with lower turnout, and about 7% of homes in 28109 have more than one occupant per room, above 91% of zip codes. 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.