Iredell County leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 83% of adults in Iredell County typically vote, above the U.S. average of about 62%. Among adults in Iredell County, ~32% vote Democratic, ~51% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Iredell County compares
Among counties within 50 miles, Iredell County leans more Republican than 6 of 18 neighbors.
Iredell County runs about 20 points more Republican than North Carolina as a whole.
Politics vary noticeably by city within Iredell County. The northeast side is the most Republican-leaning (R+49) and the south side is the least Republican-leaning (R+14), a spread of about 35 points.
Why Iredell 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 Iredell County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 71% of households in Iredell County are family households, above 85% of counties.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Iredell County, NC sits in the top quarter 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 Iredell County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Iredell 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 66%, about 6 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Rowan County, NC R+27
- Catawba County, NC R+33
- Lincoln County, NC R+45
- Alexander County, NC R+56
- Cabarrus County, NC R+7
- Davie County, NC R+45
- Mecklenburg County, NC D+35
- Gaston County, NC R+18
- Yadkin County, NC R+61
- Wilkes County, NC R+57
Counties with Similar Populations
- Charlotte County, FL R+33
- Beaufort County, SC R+9
- Tippecanoe County, IN D+9
- Newport News City, VA D+38
- Santa Rosa County, FL R+49
- DeSoto County, MS R+15
- Cass County, ND R+5
- Boone County, MO D+14
- Saginaw County, MI D+2
- Sarpy County, NE R+10
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.