28390 leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 67% of adults in 28390 typically vote, near the U.S. average of about 62%. Among adults in 28390, ~38% vote Democratic, ~30% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 28390 compares
Among zip codes within 15 miles, 28390 leans more Democratic than 9 of 15 neighbors.
28390 runs about 14 points more Democratic than North Carolina as a whole. North Carolina leans Republican overall, while 28390 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 28390. The southwest side runs the most Democratic (D+41) and the northwest side runs the most Republican (R+37), a spread of about 78 points.
Why 28390 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 28390, not a ranked or complete list of what matters most.
28390 votes against the grain of North Carolina. North Carolina leans Republican overall, while 28390 runs about 14 points more Democratic.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 28390, NC sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 28390 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 28390 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.