28405 leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 80% of adults in 28405 typically vote, above the U.S. average of about 62%. Among adults in 28405, ~42% vote Democratic, ~38% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 28405 compares
Among zip codes within 15 miles, 28405 leans more Democratic than 8 of 10 neighbors.
28405 runs about 10 points more Democratic than North Carolina as a whole.
Politics vary noticeably by block within 28405. The west side runs the most Democratic (D+65) and the southeast side runs the most Republican (R+14), a spread of about 79 points.
Why 28405 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 28405, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 76% of residents in 28405 live in densely developed areas, about 40 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 28405 sits in the top quarter (about 39%, above 80% of zip codes). A high never-married share predicts Democratic voting, and about 39% of adults in 28405 have never been married, above 86% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 28405, NC sits in the top quarter nationally on this measure.
Why turnout in 28405 looks the way it does
Turnout in 28405 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.