27831 is a Democratic stronghold. About 78% of voters here vote Democratic and 22% Republican.
About 78% of adults in 27831 typically vote, above the U.S. average of about 62%. Among adults in 27831, ~61% vote Democratic, ~17% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 27831 compares
Among zip codes within 15 miles, 27831 leans more Democratic than 8 of 9 neighbors.
27831 runs about 60 points more Democratic than North Carolina as a whole. North Carolina leans Republican overall, while 27831 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 27831. The south side is the most Democratic-leaning (D+73) and the northeast side is the least Democratic-leaning (D+26), a spread of about 47 points.
Why 27831 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 27831, not a ranked or complete list of what matters most.
27831 votes against the grain of North Carolina. North Carolina leans Republican overall, while 27831 runs about 60 points more Democratic. A high never-married share predicts Democratic voting, and about 39% of adults in 27831 have never been married, above 86% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 27831, NC sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 27831 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 27831 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 46%, about 15 points below the North Carolina average of 61%. 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.