Martinsville leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 75% of adults in Martinsville typically vote, above the U.S. average of about 62%. Among adults in Martinsville, ~40% vote Democratic, ~35% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Martinsville compares
Among cities within 25 miles, Martinsville leans more Democratic than 64 of 65 neighbors.
Politically, Martinsville sits close to the rest of Virginia.
Politics vary noticeably by neighborhood within Martinsville. The west side runs the most Democratic (D+49) and the southeast side runs the most Republican (R+16), a spread of about 65 points.
Why Martinsville leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Martinsville, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in Martinsville is about 51%, about 22 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 34% of adults in Martinsville have never been married, above 84% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Martinsville, VA sits in the top quarter nationally on this measure.
Why turnout in Martinsville looks the way it does
Turnout in Martinsville 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 Cities
- Jones Creek, VA R+15
- Koehler, VA D+22
- Collinsville, VA R+30
- Horse Pasture, VA R+26
- Chestnut Knob, VA R+21
- Fieldale, VA R+33
- Stanleytown, VA R+41
- Ridgeway, VA R+41
- Figsboro, VA R+57
- Preston, VA R+44
Cities with Similar Populations
- Soledad, CA D+22
- San Lorenzo, CA D+34
- Franklin, OH R+44
- Drexel Heights, AZ D+23
- Eagle River, AK D+9
- Clarkston, GA D+57
- Citrus Park, FL R+5
- Apollo Beach, FL R+17
- Meadville, PA R+18
- West Islip, NY R+34
Sources and methodology
Precinct-level voting records used to fit the model come from Virginia Department 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.