Duplin County leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 70% of adults in Duplin County typically vote, above the U.S. average of about 62%. Among adults in Duplin County, ~27% vote Democratic, ~43% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Duplin County compares
Among counties within 50 miles, Duplin County leans more Republican than 6 of 9 neighbors.
Duplin County runs about 20 points more Republican than North Carolina as a whole.
Politics vary noticeably by city within Duplin County. The east side is the most split-leaning (R+41) and the south side is the least split-leaning (Even), a spread of about 40 points.
Why Duplin County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Duplin County. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Duplin County, 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 Duplin County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Duplin County 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 Counties
- Sampson County, NC R+26
- Lenoir County, NC Even
- Wayne County, NC R+7
- Onslow County, NC R+23
- Pender County, NC R+33
- Jones County, NC R+24
- Greene County, NC R+15
- Bladen County, NC R+17
- New Hanover County, NC D+5
- Craven County, NC R+15
Counties with Similar Populations
- Vernon Parish, LA R+56
- Halifax County, NC D+22
- Edgecombe County, NC D+26
- Henry County, IN R+47
- Fremont County, CO R+25
- Tioga County, NY R+27
- Atascosa County, TX R+37
- Curry County, NM R+34
- Lincoln Parish, LA R+13
- Burnet County, TX R+56
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.