Orange County, NC Political Map | Democrat & Republican Areas in Orange County

By the BestNeighborhood data science team. Last updated May 2026.

Orange County leans heavily Democratic by roughly 48 points: about 74% of voters vote Democratic and 26% Republican.

 

About 83% of adults in Orange County typically vote, above the U.S. average of about 62%. Among adults in Orange County, ~61% vote Democratic, ~22% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.

How Orange County compares

Among counties within 50 miles, Orange County leans more Democratic than 15 of 16 neighbors.

Orange County runs about 51 points more Democratic than North Carolina as a whole. North Carolina leans Republican overall, while Orange County is one of the few Democratic-leaning pockets.

Politics vary noticeably by city within Orange County. The south side runs the most Democratic (D+71) and the northeast side runs the most Republican (Even), a spread of about 73 points.

Why Orange County leans the way it does

This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Orange County, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 63% of adults in Orange County hold a bachelor's degree, about 35 points above the U.S. average of 28%. Dense areas vote Democratic, and Orange County sits in the top fifth on density (about 56%, above 82% of counties). Orange County runs against the grain of North Carolina, a Democratic-leaning pocket in a Republican-leaning state.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Orange County, NC sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Orange County looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Orange County is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 69%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 94% of adults in Orange County have completed high school, above 81% of counties. Learn more about the findings and methodology on the political spectrum map.

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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.