Harnett County leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 75% of adults in Harnett County typically vote, above the U.S. average of about 62%. Among adults in Harnett County, ~30% vote Democratic, ~45% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Harnett County compares
Among counties within 50 miles, Harnett County leans more Republican than 10 of 12 neighbors.
Harnett County runs about 18 points more Republican than North Carolina as a whole.
Politics vary noticeably by city within Harnett County. The southeast side runs the most Democratic (Even) and the northwest side runs the most Republican (R+45), a spread of about 47 points.
Why Harnett 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 Harnett County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 70% of households in Harnett County are family households, above 81% of counties.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; Harnett County, NC sits in the bottom quarter nationally on this measure.
Why turnout in Harnett County looks the way it does
Turnout in Harnett County 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 Counties
- Lee County, NC R+18
- Cumberland County, NC D+20
- Johnston County, NC R+21
- Hoke County, NC D+7
- Wake County, NC D+28
- Moore County, NC R+24
- Chatham County, NC R+3
- Sampson County, NC R+26
- Durham County, NC D+59
- Orange County, NC D+48
Counties with Similar Populations
- Cambria County, PA R+35
- Tangipahoa Parish, LA R+31
- Cache County, UT R+32
- Washington County, TN R+37
- Calhoun County, MI R+9
- Warren County, KY R+16
- Wood County, OH R+11
- Kendall County, IL Even
- Blount County, TN R+49
- Grayson County, TX R+43
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.